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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
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - Service or 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
14 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

To keep your air conditioner in good working condition, you should have it serviced by a professional at least once per year, ideally in the spring before the cooling season begins. If your AC unit is 10 years or older, consider servicing it twice a year (once in the spring and once in the fall) to catch potential problems early and help it reach its full lifespan. During a service visit, a technician will inspect, clean, and replace parts as needed. Regular maintenance helps avoid costly repairs. As a DIY task, you can also clean the evaporator coils annually.

The cost to repair an air conditioner averages around $350 to $450, but the price can range from $100 to over $3,000. The final cost depends on the type of air conditioner, the extent of the damage, and the specific parts that need replacement. For example, repairing a window AC unit typically costs between $100 and $250, while central air conditioner repairs can range from $300 to $3,000. A simple fix like replacing a dirty filter might only cost $10 to $50, but a major issue like a broken compressor could cost around $2,000 or more, potentially making it more cost-effective to replace the entire system. Due to the need for specialty tools and handling of refrigerants, repairs more complex than changing a filter are best left to a professional.

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.

Yes, you should turn off your AC if it’s leaking. Turning off the system prevents more condensation from leaking and reduces strain on the unit if a damaged internal component or lack of refrigerant is the cause. While this may temporarily stop the leak, water can continue to drip from a thawing coil even after the system is off. As soon as you notice a leak, turn off the unit and investigate the source or call a professional for an inspection.

An AC drip pan may stop draining if there’s a clog where the drip pan connects to the drain line. Clogs can form from a lack of cleaning or from rust or corrosion buildup. Cleaning the drip pan at least once per month lowers the chances of debris clogging the drain line.

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.