HOME SERVICES PRODUCTS SPECIALS ABOUT US CONTACT US517-647-4955garysheatingservice@yahoo.comGary's Heating Service Inc | HVAC Services | Portland, MIServing Clinton, Eaton, Ingham, Ionia and the surrounding countiesGary's Heating Service Inc of Portland, MI has been providing outstanding HVAC services for Clinton, Eaton, Ingham, and Ionia counties for 50 years. We are here to serve your every HVAC need and provide for you the best in indoor comfort.We are the greater Lansing area's leading heating, ventilation, and air conditioning firm. From heaters and furnaces to air cleaners, UV lights, humidifiers, geothermal heat pumps, and ventilators, you can rest assured that experienced hands combined with dedication and customer commitment go into every job.