Best HVAC Companies in Novi, MI (2026)

High Comfort is in Novi and handles residential heating and cooling, commercial refrigeration and annual pre-season maintenance check-ups. Reviewers describe furnace and air conditioner installs done on the hottest days of summer, with clean work and a crew that showed up on time. Several mention same-day repairs, including a return visit at night to restore heat after a second furnace problem. One reviewer notes the technician walked them through steps over the phone before charging for a service call. If you need a furnace and AC replaced on a tight schedule, reviewers say the company worked around theirs.

Based in Farmington Hills, next to Novi, Great Dane serves Novi with heating, cooling, plumbing and electrical work. On the HVAC side it covers furnaces, boilers, heat pumps, ductless systems, zone control, ductwork and indoor air quality, plus generators. Reviewers describe whole-system replacements during summer heat waves, with courteous install teams and a sales consultant who helped them pick a system at the right price. Others mention a technician arriving the next morning inside the promised window, with a call and text ahead of time. One reviewer notes a condensation pump that was diagnosed, explained and replaced in a single day.

Yates Heating & Cooling is in Novi. We could not pull service details from its website, so this profile draws on what customers describe. Reviewers mention air conditioning repairs handled quickly, including a visit on a late Friday afternoon in summer. One describes a complete removal and installation of a new Trane heating and cooling system, with a thorough inspection of the old equipment and recommendations to improve airflow through the home. Another mentions a technician who checked the gas lines and heating system, found the problem and repaired the line. Reviewers also note that the dispatcher took time to listen to their problem.

In Novi, Day & Night Heating works on furnaces, boilers, heat pumps, air conditioners, humidifiers and ductwork, and the website also lists zoning systems and generators. The site has a large library on indoor air topics such as radon, insulation and duct sealing. Reviewers describe long relationships, with one saying the company has serviced their home for 25 years. They mention honest pricing and careful diagnosis instead of quick fixes. One notes the company kept an old air conditioner running without pushing a replacement before it was needed. Another describes a technician who cleaned rust out of boiler burners and showed how the system worked.

This Novi contractor did not have website details we could pull, so this profile relies on what customers describe. Reviewers mention furnace repairs, water heater replacement, yearly maintenance, and larger projects such as a dual-zone forced air system and a tankless boiler with a new upstairs furnace. One reviewer had an old steam system replaced in the middle of winter and says pricing and scope were explained clearly. Another says a job estimated at four days was finished in two, with straight, neatly installed pipes and ductwork. Others mention technicians who arrived within the promised window, prepared and friendly.

Since 1957, Dan Wood has been family owned and operated in Novi. The company handles heating, cooling, plumbing and electrical work, so one call can cover several trades. Reviewers describe a furnace installation where the crew arrived on time, kept them updated on progress and hauled away the old unit, leaving no mess. Others mention an office that kept them informed until the technician was on the way. One reviewer describes a quick schedule for a three-day crawl space job replacing corroded cast iron sewer pipe with properly pitched PVC. Another mentions the company making time right away to bid on a commercial project.