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4.8

(183 reviews)

Top-rated heating and air conditioning pros.

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Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)

Serving Orange, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Top-notch installation! The new HVAC system is super efficient and the crew explained everything clearly. They handled the entire job with care. I feel the temperature difference immediately?very satisfied!"
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+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Total Home Environmental HVAC Co.
Total Home Environmental HVAC Co.
4.7(
98
)

Serving Orange, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Gordon, Harrison and Louis did an absolutely fantastic job with installing a brand new HVAC system into my old house. The house was not designed to include AC so they had to be very thoughtful in the process of figuring out the best way to install all the equipment. They were on time every day and always kept me informed any issues and next steps.. They did it and we will enjoy the benefits of keeping cool this summer."
Technician at Service Residence
Installing UV Sterilization Light
Installing UV Bulb to fight Covid
Removing tools from stocked truck
Stocked Repair Trucks

+17

Response time3 hrs
Response rate98%
71 neighbors recently requested a quote
Avatar for Air Duct Professionals
Air Duct Professionals
4.7(
1,517
)

Serving Orange, CA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"This review is about Air Duct Professionals and I want you to know that I finally found a company that was honest and professional. Because when I was at the end of my wits trying to figure out who was telling me the truth, I called Ed Mack the owner and he was reassuring that my home was not that old to be having all these problems. He referred me to a website for the Air Duct Cleaners Association and read about what air duct cleaning really does. So I had Air Duct Professionals come out to the inspection and they have an actual HVAC guy on their staff. Immediately looking at how new and well maintained our air system was in the attic, he told us those other companies were trying to scam us. Air Duct Professionals did a great job cleaning out all of our air ducts and dryer vent and cleaning up after themselves. I whole-heartedly recommend this company for their professional work and honesty."
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+11

Response time2 days
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Cool Air Technologies Inc
Cool Air Technologies Inc
4.9(
493
)

Serving Orange, CA and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"I’ve had the pleasure of working with Bill and Cool Air Technologies on several occasions and they never disappoint. They’ve done a HVAC replacement as well as an entirely new HVAC system install with impeccable results. They were professional and communicative; answering all my questions and working through any issues promptly. I will look nowhere else for my HVAC needs and highly recommend them to anyone considering their services."
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Response time2 days
7 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Ionel Firuta
Ionel Firuta
5.0(
30
)

Serving Orange, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"OCExcel did a great job replacing our old (25 year old) conventional HVAC with a new Heat Pump. They did it in one day, using a large crane. We are very pleased with the whole job and would completely recommend this company"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating and Air Conditioning Project
Heating and Air Conditioning Project

+19

Response time10 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
327
)

Serving Orange, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Love these guys! A year ago we had a heatwave, and on the first day our air went out. Danny came out same day and took a look. The very next day they came out and installed an entirely new (and appropriately sized) HVAC. Since then, they've come out at the beginning of each season and given our system a tune-up. They're timely, super friendly, and knowledgeable. Brandon came out today and performed a complimentary service, and now we're ready for summer! I should mention, the system they installed rocks! Our house gets plenty cold/hot now, and quickly."
duct job all R-8 ducting
4 Ton GOODMAN Furnace
customer Vlastos
duct job all R-8 ducting
furnace install

+67

Response time4 hrs
9 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for The Right Choice Heating & Air
The Right Choice Heating & Air
4.3(
169
)

Serving Orange, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"The air duct system was done 1 year previous. Adequate install. My house is getting old and throughout demo some damage happened. they fixed most of it. On the HVAC they installed A rating. But one electrical box and breaker was sold to me but not used. when they inspect it in summer I would think they would install the new 50amp breaker. all in all an A rating."
AC Pro Heat Pump Installation
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+56

Response time11 hrs
Response rate100%
21 neighbors recently requested a quote
Avatar for NT Electric & HVAC Inc
NT Electric & HVAC Inc
5.0(
9
)

Serving Orange, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

Our business is our livelihood but it is also so much more. NT Electric & HVAC Inc was started to fill in a void in the current market and to make a business that people can place their trust in. Over the years we have never lost our commitment to our clients and that is what has allowed us to succeed in a very competitive industry. The employees of NT Electric & HVAC Inc stand committed to our purpose and will provide the best service!

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Response time2 hrs
Response rate100%
5 neighbors recently requested a quote
NT Electric & HVAC
4.7(
47
)

Serving Orange, CA and surrounding areas

Approved

In business since 2011

Customers say: Quick response

"We had an unusual situation with the remote lighter in our fireplace... First, we had the gas company out and they could not fix. We were connected to NT Electric and HVAC through HomeAdvisor. Nathan came out later the same day and diagnosed the problem and the solution and offered to go find the special part required and return the next day. I would recommend him to anyone looking for a reliable person to fix anything related to electronics or HVAC."
Power supply
Response time7 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Paul White HVAC Service
Paul White HVAC Service
5.0(
21
)

Serving Orange, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

We have over 20 + years of industry experience, and are dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in Central A/C, Heating and Furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!

Response time1 day
3 neighbors recently requested a quote
Recommended by66%of homeowners
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Heating and Air Conditioning questions, answered by experts

To extend your HVAC system’s lifespan, it’s crucial to keep up with maintenance. This includes changing filters and thermostat batteries, keeping the outside unit clean and clear of clutter, and lubricating moving parts. Watch out for leaks, mold buildup, and blockages to ensure your unit stays in good working order. Spotting these issues early can be the difference between a simple, wallet-friendly repair and an expensive replacement.

The average life span of an HVAC system is 15 to 20 years. Even if your old air conditioner is still functional, it isn't as energy-efficient as a newer system (especially one with an Energy Star designation). Older HVAC systems aren't as efficient, and the 10-year mark is when you should start making full system replacement plans. Twenty years in, that plan should be well underway rather than waiting for the unit to die.

At a minimum, an HVAC system should be serviced once per year. However, a twice-a-year service schedule—once in the spring for the cooling system and once in the fall for the heating system—is often recommended, especially for older systems, heat pumps, or in climates with extreme temperatures. Regular service, which includes inspection, cleaning, and maintenance, ensures the system runs efficiently, helps prevent costly breakdowns during peak seasons, and can extend the unit's lifespan. You can also schedule a service if you notice issues like poor performance or strange noises.

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

Yes, government incentives and programs are available to encourage energy-efficient upgrades in many regions. These incentives may include tax credits, rebates, grants, and low-interest loans for homeowners who invest in energy-efficient improvements such as HVAC system upgrades, insulation, and efficient windows. The availability and specific details of these incentives can vary by location, so check with your local government or utility company to explore your options.

The Orange, CA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.