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Top-Rated Air conditioning pros in Novi - Updated Nov 2026

Avatar for HVAC Comfort Inc
HVAC Comfort Inc
4.7(
537
)
Central A/C - InstallCentral Humidifier - Repair or ServiceCentral A/C - Service or Repair+4 more

Serving Novi, MI and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Had an air conditioner installed last week by Clark and Ray. They were done within 3 hours including a detailed explanation of their work. I would highly recommend this company. Everything from setting up and scheduling to installation was handled professionally and on time. An excellent experience."
New Coleman AC install with 10 year parts and Labor warranty
New Coleman AC unit with 1o year parts and Labor warranty
Additional Photos
Additional Photos
Additional Photos

+9

31 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Andy's Statewide
Andy's Statewide
4.7(
139
)
Central A/C - Install

Serving Novi, MI and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"Technician was A1 in tuning up and checking my system and answered all my questions. He checked my air conditioning, changed the filter in furnace and cleaned AC !! Get the pre summer special at $69. Well worth it."
New System Installation
508 neighbors recently requested a quote
Recommended by59%of homeowners
Avatar for No-Nonsense Heating and Cooling, Inc.
No-Nonsense Heating and Cooling, Inc.
4.6(
193
)
Central A/C - Service or Repair

Serving Novi, MI and surrounding areas

Approved

In business since 2013

Emergency services offered

Small jobs welcome

"They were able to get to us same day to fix our air conditioner during an extremely hot weather period. They informed us exactly what the problem was and made the repairs promptly. Very professional."
80% furnace installation
93% carrier furnace
noritz tankless water heater
hot water boiler repair
furnace install

+1

Response time6 hrs
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Martin Mechanical HVAC LLC
Martin Mechanical HVAC LLC
4.9(
21
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Novi, MI and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Zack came in to give me quote as was the only guy who was not a sales person. Value for money wise his company is excellent. He installed Tempstar furnace and Media filter. We pulled the permit . The mechanical inspector came in and said whoever did this job did it professional. Particularly he liked how the media filter cabinet was installed. We couldn't get the CWire to the thermostat. He will be coming in this week to install it. Every electrical connection were clamped to the duct properly. He also put in new drain for the humidifier. Awesome guy. Normally I would wait for atleast 6 months to a year to leave a review. In this case, because of the exceptional installation and because of the comment that inspector made i am leaving 5 star review. Will update in future if any new issues crop up. I don't expect that to be case."
Response time1 day
Response rate87%
3 neighbors recently requested a quote
Avatar for Household Heating & Air Conditioning, Inc.
Household Heating & Air Conditioning, Inc.
4.0(
61
)
Central A/C - Service or Repair

Serving Novi, MI and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"I decided not the do the work on the advice of my real estate agent. But, Household Heating and Air was VERY responsive. I was impressed and would like to use them in the future."
Furnace install
Furnace install
Furnace install
Furnace install
Furnace install

+3

Response time5 hrs
3 neighbors recently requested a quote
Recommended by89%of homeowners
Express Heating & Cooling Inc
5.0(
10
)
Central A/C - Install

Serving Novi, MI and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central air conditioning and cooling systems as well as heating and furnace systems. 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.

Furnace and A/C Installs
Furnace and A/C Installs
Furnace and A/C Installs
11 neighbors recently requested a quote
Recommended by25%of homeowners
Avatar for Maheu Mechanical Inc.
Maheu Mechanical Inc.
4.9(
15
)
Central A/C - Service or Repair

Serving Novi, MI and surrounding areas

Approved

In business since 2020

Emergency services offered

Warranties offered

"My ac unit stopped working called him. He was out here within 45 minutes fixed. It gave me a warranty and also I needed AC in the furnace guy and I also got a warranty on a furnace with the sky. Awesome."
Furnace install
248-513-5473
248-513-5473
248-513-5473
Heating & Air 248-513-5473

+1

Response time1 hour
Response rate93%
1 neighbors recently requested a quote
Avatar for Smart Zone Heating and Cooling
Smart Zone Heating and Cooling
5.0(
5
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Novi, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At Smart Zone Heating & Cooling, we provide reliable, high-quality heating and cooling services for both residential and commercial customers. Our goal is simple: deliver dependable HVAC solutions that improve comfort, efficiency, and long-term performance.\n\nAs a licensed and insured HVAC contractor, we specialize in professional installation, repair, and maintenance of heating and cooling systems. Whether you need a new furnace installation, air conditioning repair, system replacement, or preventative maintenance, we focus on doing the job right the first time.\n\nWe take pride in offering honest recommendations, fair pricing, and high-quality workmanship. Our team understands that HVAC systems are one of the most important components of any home or business, which is why we work efficiently, communicate clearly, and treat every property with care and respect.

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FAQs for air conditioning projects in Novi, MI

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Novi, MI homeowners’ guide to air conditioning services

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