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4.6

(280 reviews)

Top-rated heating and air conditioning pros.

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Avatar for Elite Heating and Air LLC
Elite Heating and Air LLC
5.0(
22
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Jorge, Angel, Ishmael, and George were fantastic. Jorge was honest and straight in the initial conversations. He gave me multiple options for systems and their functionality. When I made my selection I was given a very fair price for the work that was to be done. He was very helpful in acquiring good financing that bested my Credit Union and Bank. The work was done quickly with great attention to the fine details. I now have an efficient and functional HVAC unit. If you need repairs or a replacement HVAC system you could not do better than selecting Elite Heating and Air for your job. I'm telling all my friends that if they need any work done - "I've got a guy"..."
Miscellaneous  Projects
Miscellaneous  Projects
Miscellaneous  Projects
Miscellaneous  Projects
Miscellaneous  Projects

+14

Response time6 hrs
Response rate99%
78 neighbors recently requested a quote
Avatar for Calor Air HVAC
Calor Air HVAC
5.0(
21
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Costa takes pride in his work and did an excellent job of installing my microwave. He is very good at recognizing an issue and being able to improvise. I would strong recommend Costa for any handyman job around a home. I will definitely hire Costa again."
AC PM Service
HVAC PM Service
HVAC PM Service
AC Gauges
Before and after

+15

Response time9 hrs
17 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for TMC Heating & Cooling
TMC Heating & Cooling
5.0(
33
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I hired TMC Heating & Cooling for duct repair. Tim Coronado was very knowledgeable and professional. The repair was quick and clean. He didn't try to "upsell" me. Because of this, I will be using him to maintain my HVAC units."
Energy guzzler
High Efficient Energy Saver
Mini Split Outdoor Unit
Package unit
After

+10

Response time3 hrs
14 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Guerrero's Heating & Air Conditioning
Guerrero's Heating & Air Conditioning
4.7(
61
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Outstanding customer service. Checked everything out and insured all components working normally. If you are looking for a honest HVAC technician, this is the company to go with."
Response time3 hrs
Response rate87%
12 neighbors recently requested a quote
Avatar for The Air Doctor Heating & Air
The Air Doctor Heating & Air
4.8(
34
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Sam is amazing!!! He did an awesome job. He was on time and he explained everything he was doing. He works evenings so I didn't have to take time off of work to get my AC fixed. He had my AC working in no time. The Air Doctor Heating and Air is highly recommended and I will be calling Sam with all my HVAC needs."
Response time12 hrs
Recommended by93%of homeowners
Avatar for Loves Air
Loves Air
4.9(
7
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

History Establish 2009.\nLoves Air has become the premier Heating, Air Condition company in the Central Valley. With the hard work and dedication from our team of expert HVAC technicians, our professional customer service team, our amazing managers and our visionary leadership from our owners, we have climbed to the top where we can proudly say we're the #1 HVAC company in Central California. Our attention to detail and commitment to our values have helped us grow. We Loves servicing customers every day and continuing to grow into the industry standard for all things HVAC. Welcome to Loves Air! Heating, Air Conditioning, Solar, Windows & Water Heater Installation, A/C Repair, Air Duct Installation, Air Duct Repair, Ductless A/C Services, Electric Furnace Installation, Electric Furnace Repair, Flame Sensor Repair, Gas Furnace Installation, Gas Furnace Repair, Heater Installation, Heater Repair.

WATER HEATERS
WATER HEATERS
WATER HEATERS
WATER HEATERS
WATER HEATERS

+36

Response time3 hrs
Response rate92%
6 neighbors recently requested a quote
Avatar for N & C HEATING AND AIR LLC
N & C HEATING AND AIR LLC
5.0(
5
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n

Condenser
New condenser
duct work
Duct work
old system

+7

16 neighbors recently requested a quote
Avatar for AJAX Heating & Air Conditioning
AJAX Heating & Air Conditioning
5.0(
6
)

Serving Modesto, CA and surrounding areas

Approved

Free estimates

Credit card accepted

"I hired Ken to service my 15+ year old A/C unit. He was very professional and showed up on time. He checked my entire system, including up in the attic on a hot day. Cleaned the coils, checked all the electronics and felt I was in pretty good shape overall. The air still blows cold and it is important to build a relationship with a professional you can trust. His prices are fair and I highly recommend him."
Avatar for United Heating and Air
United Heating and Air
5.0(
4
)

Serving Modesto, CA and surrounding areas

Approved

Hi, I’m Jeromy, owner of United Heating & Air.\nI started this company with one goal—do the job right and treat people the way I’d want my own family treated. Around here, you’re not just another call on the schedule. I take pride in being honest about what you actually need, and delivering clean, professional work every time.

2 neighbors recently requested a quote
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Heating and Air Conditioning questions, answered by experts

Aside from needing HVAC repair, there are times when you may need to replace your unit. HVAC replacement costs $5,000 to $12,500. Here are some telltale signs that your HVAC unit is going bad:

  • Your unit is 10 years or older.

  • Your home is very humid.

  • The unit keeps cycling without producing cool air.

  • You need to repair the unit frequently.

It depends on the type of AC unit and the extent of the mold growth. For example, if you have a small amount of mold in your central air conditioner, it’s worth cleaning it to protect your HVAC system and your health. In situations like these, you can often remove the mold yourself in a couple of hours. On the other hand, if you have a portable AC unit with a severe mold problem, it makes more sense to buy a new one. On average, replacing a portable AC unit costs $100 to $500.

Many HVAC companies offer free quotes and free estimates for repairs and new HVAC systems. Others offer low-cost quotes or apply the cost of the estimates or diagnostics to your final bill if you hire them. Be aware that some companies advertise free HVAC quotes and recoup the costs by charging more for their services. Free HVAC quotes are never truly free—they cost the company time and effort—so be a good customer. Also understand that you may end up paying for free quotes in another way if you don’t hire a reputable company.

If your AC suddenly stops working, the first thing to check is your thermostat settings. Ensure the thermostat is set to the appropriate temperature and mode (cooling). Sometimes, a simple adjustment or replacing the batteries in the thermostat can resolve the issue. If that’s not the issue, look to see if the circuit breaker tripped. These basic checks can often identify simple fixes before you need to call for professional assistance.

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.

The Modesto, 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.