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4.6

(212 reviews)

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Verified Reviews for Heating And Air Conditioning Service pros in Dewitt, MI

*The Angi rating for Heating And Air Conditioning Service companies in Dewitt, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Dewitt, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on April 23, 2026

Find Heating and air conditioning pros in Dewitt

Avatar for Smith's Heating & Air LLC
Smith's Heating & Air LLC
5.0(
29
)

Serving Dewitt, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Installed my dryer duct work went above and beyond highly recommended Brandon."
Response time6 hrs
Response rate89%
44 neighbors recently requested a quote
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Looking Glass Mechanical & General Contracting LLC
4.8(
53
)

Serving Dewitt, MI and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Travis Walton was wonderful. Such better service than the larger companies. His first aim was to repair if at all possible. We had a much larger company in last time and all they seemed interested in was replacing the whole unit. Finally, a person we can trust. Excellent work! Call me anytime. We really like this guy."
Response time2 days
12 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for N.A.B. Air Quality
N.A.B. Air Quality
5.0(
53
)

Serving Dewitt, MI and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

"Couldn't say enough really good things about them. They followed all the Covid regulations. Called before coming out and even a time or 2 before then. Also, did a really good job with cleaning the air ducts. I was thoroughly impressed"
Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Doty Mechanical Inc
Doty Mechanical Inc
4.5(
80
)

Serving Dewitt, MI and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Made a call at 8am. Service technician arrived on time at noon and problem was solved AND fixed within a half hour. Technician was polite, kind, neat and clean but also got down to business quickly. Best part was... he had the part on his truck so there was no back and forth!"
Additional Photos
Response time1 day
Response rate89%
3 neighbors recently requested a quote
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Avatar for The Service Professor, Inc. - HVAC
The Service Professor, Inc. - HVAC
4.3(
1,038
)

Serving Dewitt, MI and surrounding areas

Approved

In business since 1978

Free estimates

Credit card accepted

"I am a new customer with Service Professor, Inc. as of May 2021. In each of three service calls for routine system checks of my HVAC, plumbing, and furnace systems, I couldn't have been more satisfied with the professionalism of the individual tradesmen or with the customer service communication provided by friendly and patient office staff. This review is being posted especially to praise the exceptional routine service call provided by John Courtney on 10/11/2021. John presented as being a good listener and one who genuinely enjoyed his work and serving others. For example, he listened carefully to my questions and responded with detailed information that I could understand easily. And, after I commented to John about my previous positive interactions with Service Professor, Inc. tradesmen and with customer service staff, John responded by stating he has worked in the heating and cooling trade for 12 years and felt very fortunate, as a newer employee, to be able to work for an organization such as Service Professor that places caring and quality customer service communication among its most important priorities. I hope my comments encourage anyone seeking HVAC, plumbing, or furnace routine service or repair work to not hesitate to contact Service Professor."
Water Service
Water Service
Random Photos of Crew
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Random Photos of Crew

+13

Response time3 hrs
21 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Hardy Handyman Service
Hardy Handyman Service
4.5(
10
)

Serving Dewitt, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

HHS specializes in the small odd tasks that float just above easy reach for the average busy customer: Let us assemble, hang, mount, repair, dispose, etc. \n\nWe're reliable, convenient, and professional, and that means you don't have to sweat the small stuff.

Response time2 days
Response rate90%
2 neighbors recently requested a quote
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Avatar for R.M. Refrigeration
R.M. Refrigeration
5.0(
1
)

Serving Dewitt, MI and surrounding areas

Approved

In business since 2023

Credit card accepted

Offers commercial services

We are dedicated to professionalism and quality. With years of industry experience, we can take care of any project you need. Call us today for your free estimate!

Response time20 mins
4 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for McMillen Residential Services
McMillen Residential Services
New to Angi

Serving Dewitt, MI and surrounding areas

Approved

McMillen Residential Services is a 3 division company. We offer concrete solutions and new construction along with patios and walk ways, Landscaping from mulch and rock beds, weeds ,seeding,hardscape and softscape. Lastly we provide full remodels and individual, flooring and drywall all the way to tile and framing, with 70 years of experience within our team we are your best option for project needs.

Brand new driveway
Full back patio
Stamped driveway 2024
2 neighbors recently requested a quote
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Showing 1-10 of 93
Heating and Air Conditioning questions, answered by experts

Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent common AC problems.

The cost to install a ductless mini-split AC system ranges from $2,000 to $14,000, depending on the type of unit, the number of zones or rooms, and the complexity of the installation. On the low end, a system for one or two zones in a single room costs around $2,000. Covering two zones for more rooms can cost between $6,000 and $8,000. For a larger multi-zone system to cover an entire home, costs can be $14,000. If you don’t already have an AC system in place, you may need to add the cost of permits, an electrician, and a concrete pad.

If your whole house is cold that’s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article—heat transfer, airflow, thermostat problems, humidity, and insulation. Once you’ve narrowed down the issue, you’d apply the same principles to the cold rooms as you would to the entire home.

Yes. Return air vents are responsible for gathering and pulling in the warmer air. Once they draw it in, your system conditions the air by removing the warmer molecules from it, allowing your air conditioner to dispense the cooler air back into your home. Not only does this create a more comfortable environment for you, but it also keeps your air conditioner from overworking, resulting in lower energy bills. 

An HVAC unit, like a furnace, air conditioner, or heat pump, produces warm or hot air. The air ducts serve as the passages to help heat or cool air from the HVAC unit flow through the home. Air ducts are just one part of the overall HVAC system.

The Dewitt, MI 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.

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