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TRUSTED BY ONONDAGA, MI HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon227
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Onondaga - Updated Nov 2026

Avatar for LOOKING GLASS MECHANICAL
LOOKING GLASS MECHANICAL
4.9(
54
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - InstallCentral A/C - Service or Repair+9 more

Serving Onondaga, MI and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

Full Service Heating, Cooling and Plumbing. We have over 20 years of experience in the Residential and Commercial HVAC, Plumbing Services & Repairs. We get it right the first time, we strive to deliver the most comprehensive heating, cooling, and general contracting services in the greater Lansing area, including installations, upgrades & repairs. Schedule Services - 517-894-4547. PLEASE NOTE WE DO NOT SERVICE OR INSTALL BOILER UNITS. HVAC & Plumbing Renovations. We specialize in renovation projects in the greater Lansing Area. With our experienced technicians your renovation projects will be in good hands. Ask About Our Renovation Services - \nFREE Quotes 517-894-4547

Photos
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Doty Mechanical Inc
Doty Mechanical Inc
4.5(
80
)
Gas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Onondaga, MI and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Having worked with Doty Mechanical as a customer in both corporate and residential settings, it is clear that they do things the right way and put their customers first no matter the size of the project. Most recently, Doty fully replaced the HVAC system at our home. The installers, Daren and Clinton, were exceptional - very friendly, knowledgeable, and respectful of us and our home at all times. The first thing that they did when they arrived, after introducing themselves, was to lay down canvas tarps from the front door all the way to the furnace and put booties on their feet to protect our wood floors and carpet. They worked quietly and efficiently and kept their workspace neat. At the end of the installation they took the time to walk us through the entire system and answer any questions that we had. As someone who considers themselves OCD, I was beyond impressed by the end result of their work! Everything they installed was level/straight and clean - true craftsmanship! They really did a great job! Likewise, leading up to and after the installation, interactions with the office staff were equally as wonderful. The project was quoted with a very precise level of detail and Lori completely took care of us by handling all of the "heavy lifting" on paperwork for the rebates we qualified for. She simply asked us a few questions and took care of the rest for us! By far, this has been my best experience ever with any contractor - I would recommend Doty Mechanical to anyone needing HVAC services, whether in a corporate setting or at home, in a heartbeat!"
Additional Photos
Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for The Service Professor, Inc. - HVAC
The Service Professor, Inc. - HVAC
4.3(
1,041
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairCentral Air Cleaner - Repair or Service+2 more

Serving Onondaga, 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
Random Photos of Crew
Random Photos of Crew

+13

Response time3 hrs
13 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Right Now Heat and Air
Right Now Heat and Air
5.0(
4
)
Central A/C - InstallCentral Air Cleaner - Repair or ServiceGeothermal Heating or Cooling System - Install+1 more

Serving Onondaga, MI and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"They arrived quickly, within one hour of the call. The team was very courtious and kept us informed of what was happening. They finished getting our TRANE geothermal unit back heating in less than 2 hours. Their service fee was very reasonable. Great service and Thank you."
Response time2 days
Recommended by100%of homeowners
Michigan Heating And Cooling Systems
New to Angi
Geothermal Heating or Cooling System - Install

Serving Onondaga, MI and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

Michigan Heating And Cooling Systems, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Response time1 day
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Heating and Air Conditioning FAQs, answered by experts

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

The best time of year to purchase or replace an HVAC system, including components like an air conditioner or furnace, is during the off-season—spring and fall. During these periods, HVAC professionals are less busy than in summer and winter, when extreme temperatures create urgent demand. Shopping during the off-season can lead to savings of 10% to 15% on an AC unit and allows you more time to find the best deal and other cost-saving incentives. Typically, air conditioning units go on sale in the fall after demand drops, while furnace prices tend to decrease in the spring.

A power outage can damage your air conditioner, just like a power surge can damage any electrical device or appliance. In most cases, your circuit breaker or built-in surge protection on your AC unit protects your AC and just needs a reset. But in other cases, it might be that your AC compressor or capacitor was blown during the power surge. You’ll need to have an HVAC professional repair or replace any AC parts. 

No, a furnace is not the same thing as an AC, or air conditioner, but these are both parts of an HVAC system. They both use air ducts to transport cool or hot air around your home to achieve a comfortable temperature set by your thermostat. An AC runs on electricity, while a furnace can use different fuel sources.

Here’s how AC professionals will clean your AC coils:

  1. Unplug the AC unit or turn off the breaker to the unit in your circuit breaker box.

  2. Remove the faceplate.

  3. Spray a vacuum hose attachment or compressed air can to remove debris, dust, dirt, and grime.

  4. Use a soft-bristled fin comb to remove stubborn caked-on debris.

  5. Use the vacuum hose to suck up any extra debris.

  6. Take a coil-safe cleaning solution and spray it onto the coils. Try to choose a no-rinse solution.

  7. Let the solution sit for at least 15 minutes.

  8. Gently wipe away loosened grime and debris with a microfiber cloth.

  9. Reattach the faceplate, plug in your AC system, or turn the breaker back on.

The Onondaga, 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.