Top 10 heating and cooling repair services in Diamond Bar, CA

Porch Pro Headshot Magnolia Heating and Cooling
Heating and Cooling Repair
Serves Diamond Bar, California
(1,723)
We are a family owned and operated business serving the Inland Empire area since 1951. Big enough to offer competitive pricing and services, small enough to put customer satisfaction as our No. 1 priority. NO FALSE PROMISES. We're just a neighborhood business asking for the opportunity to show the...Read more about Magnolia Heating and Cooling
We are a family owned and operated business serving the Inland Empire area since 1951. Big enough to offer competitive pricing and services, small enough to put customer satisfaction as our No. 1 priority. NO FALSE PROMISES. We're just a neighborhood business asking for the opportunity to show the...Read more about Magnolia Heating and Cooling
Porch Pro Headshot Champion Aire Heating & Air Conditioning
Heating and Cooling Repair
Serves Diamond Bar, California
(218)
Champion Aire has been a trusted and a professional service HVAC contractor in the HVAC industry ,Experience and expertise both working Commercial and Residential for all air conditioning and heating repairs, installations, maintenance, indoor air quality, duct work, ventilation and filtration need...Read more about Champion Aire Heating & Air Conditioning
Champion Aire has been a trusted and a professional service HVAC contractor in the HVAC industry ,Experience and expertise both working Commercial and Residential for all air conditioning and heating repairs, installations, maintenance, indoor air quality, duct work, ventilation and filtration need...Read more about Champion Aire Heating & Air Conditioning
Porch Pro Headshot CWP Heating & Air, Inc.
Heating and Cooling Repair
Serves Diamond Bar, California
(159)
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
Porch Pro Headshot Sheldon's Heating And Air
Heating and Cooling Repair
Serves Diamond Bar, California
Sheldon's Heating & Air Conditioning, Inc. is the Riverside, CA heating and air conditioning company you can rely on when you need any heating or air conditioning installation, repair or maintenance services. We also offer exceptional indoor air quality products and services to help you breathe the ...Read more about Sheldon's Heating And Air
Sheldon's Heating & Air Conditioning, Inc. is the Riverside, CA heating and air conditioning company you can rely on when you need any heating or air conditioning installation, repair or maintenance services. We also offer exceptional indoor air quality products and services to help you breathe the ...Read more about Sheldon's Heating And Air
Porch Pro Headshot California Cool Breeze
Heating and Cooling Repair
Serves Diamond Bar, California
(55)
California Cool Breeze is a Top-Notch full service HVAC contractor in southern California. Our Technicians are NATE and EPA Certified, plus have gone through a full background check. We service all makes and models and installation such as Rheem, Amana, Trane, American Standard, Lennox, Armstrong, C...Read more about California Cool Breeze
California Cool Breeze is a Top-Notch full service HVAC contractor in southern California. Our Technicians are NATE and EPA Certified, plus have gone through a full background check. We service all makes and models and installation such as Rheem, Amana, Trane, American Standard, Lennox, Armstrong, C...Read more about California Cool Breeze
Porch Pro Headshot Air Duct Cleaning Placentia
Heating and Cooling Repair
Serves Diamond Bar, California
(40)
"I wanted to make sure that the HVAC unit lasts a long time. Fortunately, I hired the best HVAC maintenance specialists to clean the ducts, filter the unit, and fix any damages that were necessary in my home. I can definitely say that they are the best in their field. Highly recommended!"
"I wanted to make sure that the HVAC unit lasts a long time. Fortunately, I hired the best HVAC maintenance specialists to clean the ducts, filter the unit, and fix any damages that were necessary in my home. I can definitely say that they are the best in their field. Highly recommended!"
Porch Pro Headshot G N C Heating and Air Conditioning
Heating and Cooling Repair
Serves Diamond Bar, California
(25)
GNC Heating and Air Conditioning has been in business for over 10 years and in that time we've learned a thing or two. We put customers first since we are mainly referrals, there are no major ads, no sales teams pressuring you into sales and not commission biased, we repair what is wrong and don't s...Read more about G N C Heating and Air Conditioning
GNC Heating and Air Conditioning has been in business for over 10 years and in that time we've learned a thing or two. We put customers first since we are mainly referrals, there are no major ads, no sales teams pressuring you into sales and not commission biased, we repair what is wrong and don't s...Read more about G N C Heating and Air Conditioning
Porch Pro Headshot 20th Century Air Inc.
Heating and Cooling Repair
Serves Diamond Bar, California
(16)
20th Century Air, Inc. - Heating and Air Conditioning in Orange County "21st Century Products with 20th Century Service" We are a family owned and operated company specializing in heating and air conditioning installation, replacements, maintenance, and repair in Orange, LA, and Riverside Counties...Read more about 20th Century Air Inc.
20th Century Air, Inc. - Heating and Air Conditioning in Orange County "21st Century Products with 20th Century Service" We are a family owned and operated company specializing in heating and air conditioning installation, replacements, maintenance, and repair in Orange, LA, and Riverside Counties...Read more about 20th Century Air Inc.
Porch Pro Headshot ALL TEMP HEATING & COOLING
Heating and Cooling Repair
Serves Diamond Bar, California
(10)
"AllTemp Heating and Cooling knew their way around our Servel Absorbtion AC System. We called about a dozen companies before we found Mel and Fernando. They were very knowledgable about the operation and maintenance of our Absorbtion System. Tempertures were hovering in the high 100 degree plus m...Read more about ALL TEMP HEATING & COOLING
"AllTemp Heating and Cooling knew their way around our Servel Absorbtion AC System. We called about a dozen companies before we found Mel and Fernando. They were very knowledgable about the operation and maintenance of our Absorbtion System. Tempertures were hovering in the high 100 degree plus m...Read more about ALL TEMP HEATING & COOLING
Porch Pro Headshot Talent Air
Heating and Cooling Repair
Serves Diamond Bar, California
(13)
We would like to introduce our company, Talent Air is a family owned and operated company, with hopes that we may serve your company's Air Conditioning needs. We are a commercial heating, ventilating, and air conditioning contractor with decades of experience. We pride ourselves on the fact we maint...Read more about Talent Air
We would like to introduce our company, Talent Air is a family owned and operated company, with hopes that we may serve your company's Air Conditioning needs. We are a commercial heating, ventilating, and air conditioning contractor with decades of experience. We pride ourselves on the fact we maint...Read more about Talent Air

Frequently asked questions about hvac repair technicians

There are many reasons your HVAC system may not be working, and be in need of repair. One very common root cause of HVAC failure is simply a lack of regular maintenance. HVAC pros recommend that your system be checked annually to keep it in top repair. If your AC unit of furnace is not performing up to standards, it is often best to an HVAC contractor assess your system to see what kind of repairs it may need. A pro will know that if your furnace is tripping the circuit breaker, it may be because of a dirty filter. The dirt could be blocking the air flow. But the issue could also be a duct leak or dirty coils.

A malfunctioning HVAC system could actually be hazardous. If your furnace is making strange noises, the motor may need to be replaced. Your HVAC system may have airflow issues or dirty burners that might be flammable. It’s always best to stick to a regular HVAC system maintenance schedule, and to consult an HVAC repair contractor at the first sign that your HVAC is not working.

Air conditioners are great for keeping your home comfortable in the warmer months. Having an AC unit installed brings a host of other benefits as well. However, air conditioners are subject to a host of common problems. One of the most common problems starts with a lack of regular HVAC maintenance. One common AC system issue is a gradual or sudden decrease in efficiency. The air conditioner may not be cooling your home well, and your home might feel unusually muggy. If HVAC maintenance has been neglected, the coils may have collected dirt and debris which clogs the coils. An air conditioner repair pro can remedy this situation, and check for any other problems with your air conditioner. Similarly, if your AC unit is leaking, a pro can troubleshoot the problem.

It makes sense to keep a regular HVAC system maintenance schedule. If you bring in a local AC professional, they can get to know your system and call out problems with your air conditioner before they become bigger issues down the road.

Your home’s heating and cooling system may be easy to take for granted as long as it is running smoothly. Your HVAC system keeps your home comfortable, it can save on energy bills, and it keeps the air in your home cleaner and healthier. Here’s the catch, your HVAC system requires regular maintenance to keep it in top repair. Investing in an annual inspection of your home’s heating, ventilation and air conditioning systems is relatively inexpensive compared to the benefits you’ll enjoy.

Regular maintenance helps prevent expensive breakdowns by troubleshooting the HVAC problem early and effectively. If you have your HVAC system inspected and maintained on a regular basis, your system will run more efficiently which can save you money on energy bills. Annual maintenance can extend the life of your HVAC system saving you money on costly replacements. Finally, most HVAC companies require proof of regular maintenance when a repair is submitted under warranty. It pays to keep your heating, air conditioning, and ventilation systems covered on a warranty. An HVAC pro can help you with routine HVAC maintenance as well as big and small repairs.

There are a host of common HVAC problems that can lead to annoying, expensive, or even dangerous situations in your home. Carbon monoxide leaks are one potentially dangerous HVAC problem. These can be caused by a cracked or failed heat exchanger. An HVAC repair pro can test for the presence of carbon monoxide in your home and install a carbon monoxide detector in your home. Another potentially dangerous problem that can arise with your HVAC system are pilot light or ignition problems. A dirty pilot, or burners can cause short cycling, a pilot outage, or furnace lockout. In any case it’s best to call an HVAC repair professional. HVAC problems that involve natural gas or high voltage which must be handled by a trained technician.

If your furnace or air conditioner is suddenly making odd noises, emitting strange odors, or seems to be operating less efficiently than when it was installed, it’s time to call an HVAC repair technician. A trained pro will have the skills, know-how, and tools to safely repair any problem your HVAC system develops over time. Keep your home safe, comfortable and healthy by developing a regular maintenance and repair relationship with an HVAC pro near you.

There are a few simple troubleshooting steps homeowners can take if their HVAC system is not working. After taking these steps, it makes sense to hire an HVAC repair technician. Many problems that come up with furnaces, air conditioning and ventilation systems can be annoying, expensive, and even dangerous. A trained tech will have the skills, tools and know how to tackle any more complex troubleshooting your HVAC system breakdown requires. Homeowners can make sure the furnace or air conditioner is properly plugged in. They can make sure the air space around a furnace, air conditioner or duct system is not obstructed by furniture or plants. Homeowners may even be able to check some filters, and change and clean them. Beyond that, bring in a pro.

An HVAC repair professional will know how to safely work with potentially dangerous natural gas and high voltage electrical systems. If your air conditioner, high-efficiency furnace or water heater is leaking, a trained HVAC repair tech can troubleshoot the problem and fix it efficiently. HVAC leaks can cause costly water damage if they are not taken care of quickly and efficiently. Trust your HVAC troubleshooting to an HVAC professional.

If your air conditioner is running but it is not cooling house, there could be a number of reasons. The simplest troubleshooting step for your AC problem is to check whether your thermostat is set to “on” or “auto.” If your AC thermostat is set to “on” the system will run the fan continuously whether or not the air is being cooled. Make sure the air conditioner is set to “auto.” You can also make sure the filters in the AC unit are clean.If the filter is dirty, simply replace it.

However, it makes sense to bring in an HVAC repair pro to address issues that are more complex. If your AC unit can’t cool your home on hot days, but cools the air just fine on cooler ones, your air conditioner may have low refrigerant. This means you may have a refrigerant leak. The signs of a leak are a bubbling or hissing noise, ice build up, If you notice these signs, turn the AC unit off and call a pro. This issue can damage the compressor which would mean having to replace the air conditioner’s outside unit. Call a pro to troubleshoot your AC issue to save money and headaches down the road.

Recent reviews for Diamond Bar HVAC repair services

22572

Chris did a great job for me. He showed up looking professional, knew what he was talking about and his work was excellent. Would recommend him to anyone!

- Mike Stickley
23674

Experience counts and when it comes to experience Chris cant be beat. Add to that the best customer service out there you just cant go wrong. Had Cool Breeze install my system new from the ground up. It has performed flawless and perfectly matched to my n...

- Robert Herkelrath
22746

I have done a lot of work with this company, they are among the best. Chris is very professional and always willing to answer any questions you may have.

- Ricky Felix
22976

I'm very please from his work.. I perches old house and I asked from Christofer to give me an estimate for a new system and he explained to me about the high energy efficiency system. We're very happy from the low electric bill and the fair price.

- Gil Mizrahi
22629

I live in illinois but own a rental home in Moreno valley. Chris has handled my Ac issues for several years. I love that I have someone I trust. Especially when the repairs and work he is doing, and what I'm praying for, aren't things I can just go out a...

- Rocky Stone
22575

Chris is a true professional and extremely talented in his trade.

- Michael Guinn
80655

They are the BEST!

- Brenda Smith
111814

Great attitude and punctual. Thanks John!

- Travis Mcgregor
80654

They are the best!

- Brenda Smith
145334

Installed a new system excellent service

- Brent McFarland
405865

This company need to be canceled! I tried calling and they will not let you through to manament and then the lady on the phone threatened me because I wasn't being nice enough! She wouldn't hand me over to a manager or the owner, just threatened me and h...

- Mike Pokemon

Everything You Need to Know About Diamond Bar HVAC Repair Technicians

How do I know I am getting a fair price for my Heating and Cooling Repair in Diamond Bar?

Every Heating and Cooling Repair project is different, and the price will differ depending on the specifications of your project. However, there are ways to help make sure you are getting a fair price quoted for your Diamond Bar Heating and Cooling Repair job:

  • Talk to multiple hvac repair services and ask for quotes to compare. We have over 50 Heating and Cooling Repair companies in Diamond Bar for you to choose from.
  • Read the ratings and reviews for the hvac repair services you’re interested in to see what other customers have said about the pricing of their own projects. Find the hvac repair service that you trust to give you the best service at the lowest price.

How many heating and cooling repair companies are there in Diamond Bar?

We’ve found 50 companies in Diamond Bar that can help you tackle your heating and cooling repair project.

  • 19 of them have an A or A+ rating from Better Business Bureau.

Who should I hire for Heating and Cooling Repair in Diamond Bar?

First, you need to know the specific type(s) of professionals you may need to complete your heating and cooling repair project in Diamond Bar properly, on time, and on budget. Do you need a general hvac repair service, or a specialist that can handle specific types of heating and cooling repair?

Every heating and cooling repair project is going to have different requirements. For example, your heating and cooling repair project may require the work of the following types of service providers:

  • Boiler Repair & Maintenance:
    • Service Description: The repair and maintenance of a boiler heating system and related components; including piping, radiators, connection to fuel or power source, and pressurizing the system
    • 50 boiler repair and maintenance companies available in Diamond Bar
  • Central Air Conditioning Repair Services:
    • Service Description: The repair of a central air conditioner system; including the components of the unit, ducting or venting, and the connection to fuel or power source.
    • 50 central air conditioning repair companies available in Diamond Bar
  • Furnace Repair Services:
    • Service Description: The repair of a furnace or other central heating unit; including the components of the system, venting or ducting, and the connection to fuel or power source.
    • 50 furnace repair companies available in Diamond Bar

Be sure to do your research so you can to complete your heating and cooling repair project the way you want it done, on time, and on budget. Start building the right team of heating and cooling repair professionals in Diamond Bar and good luck!

All HVAC Repair Technicians in Diamond Bar, CA

Porch Pro Headshot PDQ APPLIANCE INSTALLERS, INC.
Heating and Cooling Repair
Serves Diamond Bar, California
Located in Anaheim, PDQ Appliance Installers is an appliance installation specialist. They have been offering exhaust fan installation, air conditioning installation, and garbage disposal installation as well as other services since 2011. PDQ Appliance Installers is licensed by the state of Californ...Read more about PDQ APPLIANCE INSTALLERS, INC.
Located in Anaheim, PDQ Appliance Installers is an appliance installation specialist. They have been offering exhaust fan installation, air conditioning installation, and garbage disposal installation as well as other services since 2011. PDQ Appliance Installers is licensed by the state of Californ...Read more about PDQ APPLIANCE INSTALLERS, INC.
Porch Pro Headshot Daniels Heating & Air Conditioning
Heating and Cooling Repair
Serves Diamond Bar, California
Porch Pro Headshot Total Care Heating & Air Inc.
Heating and Cooling Repair
Serves Diamond Bar, California
(53)
Porch Pro Headshot Engineered Comfort
Heating and Cooling Repair
Serves Diamond Bar, California
(8)
Porch Pro Headshot Nadine Refrigeration Services Inc.
Heating and Cooling Repair
Serves Diamond Bar, California
(2)
We are specialized in Commercial Refrigeration, Walk-in coolers,Walk-in Freezers, reach in coolers , freezers and Ice Machines. Also we do Commercial and residential Air-conditioning service and installation. All brands of Air Conditioning Units repair and installation of most common brands. Ic...Read more about Nadine Refrigeration Services Inc.
We are specialized in Commercial Refrigeration, Walk-in coolers,Walk-in Freezers, reach in coolers , freezers and Ice Machines. Also we do Commercial and residential Air-conditioning service and installation. All brands of Air Conditioning Units repair and installation of most common brands. Ic...Read more about Nadine Refrigeration Services Inc.
Porch Pro Headshot Calwest Controls Inc
Heating and Cooling Repair
Serves Diamond Bar, California
CalWest Controls is a leading provider of advanced building systems for a wide variety of industries and buildings. We specialize in design, installation and service of energy managerment control systems for HVAC in commercial buildings, colleges, schools, retail, government buildings, hotels, hospi...Read more about Calwest Controls Inc
CalWest Controls is a leading provider of advanced building systems for a wide variety of industries and buildings. We specialize in design, installation and service of energy managerment control systems for HVAC in commercial buildings, colleges, schools, retail, government buildings, hotels, hospi...Read more about Calwest Controls Inc
Porch Pro Headshot U.S. Air Conditioning & Heating
Heating and Cooling Repair
Serves Diamond Bar, California
Competitive, Reliable, Quality Work at Affordable Price We Specialize in Providing Expert Work on Air Conditioning and Heating Repairs, Installations, and Service Call the Professionals Direct (818) 207-1245 Toll Free (877) 872-4777 Email us at: usair@usa.com Fast Reliable Same Day Service Local a...Read more about U.S. Air Conditioning & Heating
Competitive, Reliable, Quality Work at Affordable Price We Specialize in Providing Expert Work on Air Conditioning and Heating Repairs, Installations, and Service Call the Professionals Direct (818) 207-1245 Toll Free (877) 872-4777 Email us at: usair@usa.com Fast Reliable Same Day Service Local a...Read more about U.S. Air Conditioning & Heating
Porch Pro Headshot SoCal Sub-Zero / Wolf Repair
Heating and Cooling Repair
Serves Diamond Bar, California
SoCal Repair offers experienced appliance repair services for all models of Sub-Zero and Wolf products. We have built an excellent reputation for providing outstanding, reliable repair service within Los Angeles county and the surrounding areas. Our technicians carry a wide variety of Sub-Zero / Wo...Read more about SoCal Sub-Zero / Wolf Repair
SoCal Repair offers experienced appliance repair services for all models of Sub-Zero and Wolf products. We have built an excellent reputation for providing outstanding, reliable repair service within Los Angeles county and the surrounding areas. Our technicians carry a wide variety of Sub-Zero / Wo...Read more about SoCal Sub-Zero / Wolf Repair
Porch Pro Headshot ABC Heating & Air
Heating and Cooling Repair
Serves Diamond Bar, California
(48)
Porch Pro Headshot HASCO Heating Airconditioning Service Company  Inc.
Heating and Cooling Repair
Serves Diamond Bar, California
HASCO Heating Air conditioning Service COmpany was established in 1983 by Daryl Salmon and Sal Trujillo Sr. with service in mind. With over 30 years in the business, HASCO is still serving the Inland Empire and has proven that service is the key to success. We are a local company located in Riversi...Read more about HASCO Heating Airconditioning Service Company Inc.
HASCO Heating Air conditioning Service COmpany was established in 1983 by Daryl Salmon and Sal Trujillo Sr. with service in mind. With over 30 years in the business, HASCO is still serving the Inland Empire and has proven that service is the key to success. We are a local company located in Riversi...Read more about HASCO Heating Airconditioning Service Company Inc.
Porch Pro Headshot Power Saver Systems Air Conditioning & Heating
Heating and Cooling Repair
Serves Diamond Bar, California
(6)
Porch Pro Headshot Xaviers Heating and Air
Heating and Cooling Repair
Serves Diamond Bar, California
Xavier's Heating and Air has been a family run business since 2008 specializing in installation and service for heating and air. We are not limited to HVAC work, but it is what we are known for. At Xavier's Heating and Air we standby our work and strive to give our homeowners the best experience. ...Read more about Xaviers Heating and Air
Xavier's Heating and Air has been a family run business since 2008 specializing in installation and service for heating and air. We are not limited to HVAC work, but it is what we are known for. At Xavier's Heating and Air we standby our work and strive to give our homeowners the best experience. ...Read more about Xaviers Heating and Air
Porch Pro Headshot S & P AIR CONDITIONING AND HEATING
Heating and Cooling Repair
Serves Diamond Bar, California
Hi, I am calling from S& P air conditioning . I know you have some problems with the air conditioner or refrigeration . Maybe we can help you with that issue , thank you very much.
Hi, I am calling from S& P air conditioning . I know you have some problems with the air conditioner or refrigeration . Maybe we can help you with that issue , thank you very much.
Porch Pro Headshot B & W FURNACE SERVICE INC
Heating and Cooling Repair
Serves Diamond Bar, California