Air Quality Services
Cleaner air at home: whole-home filtration, air purifiers, humidifiers, and dehumidifiers, fitted to your current setup.
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Everything for your air conditioning, from new installs and repairs to tune-ups and yearly maintenance, by our own team.

Since 1934, Phillip's Heating and Air Conditioning has provided reliable air conditioning services throughout Warren, OH. Our skilled technicians bring over 90 years of industry experience to every project, ensuring your home or business remains comfortable during the hot summer months.
As a Day and Night elite dealer, we deliver AC solutions customized to your specific needs. Our EPA- and NATE-certified professionals focus on quality workmanship that lasts.
Cleaner air at home: whole-home filtration, air purifiers, humidifiers, and dehumidifiers, fitted to your current setup.
Learn MoreHeating and cooling for your business: commercial furnaces, boilers, and rooftop units, serviced, repaired, or replaced.
Learn MoreEverything for your heat: furnace, boiler, and heat pump installs and repairs, with same-day service if it quits on you.
Learn MoreLower running costs with high-efficiency equipment, zoning, and geothermal systems, chosen to suit your home and budget.
Learn MoreChecks that keep your home safe and your system in good shape: carbon monoxide testing and full HVAC system evaluations.
Learn MoreAC maintenance in spring before the summer heat, and furnace maintenance in the fall before an Ohio winter comes around.
Learn MoreThe less common jobs: energy audits, furnace and HVAC inspections, radiant floor heating, and other specialty HVAC work.
Learn MoreSmart thermostat installation and thermostat repair, so your heating and cooling start up exactly when you want them to.
Learn MoreSince 1934, Phillip's Heating and Air Conditioning has provided reliable air conditioning services throughout Warren, OH. Our skilled technicians bring over 90 years of industry experience to every project, ensuring your home or business remains comfortable during the hot summer months. As a Day and Night elite dealer, we deliver AC solutions customized to your specific needs. Our EPA- and NATE-certified professionals focus on quality workmanship that lasts. Being locally owned and family-operated gives us unique insight into the climate challenges our neighbors face, allowing us to provide personalized service.
At Phillip's, your comfort and satisfaction come first. We're licensed, bonded, and insured for your complete protection. Our same-day services quickly restore comfort to your space, and our free next-business-day estimates help you plan AC projects without hassle. Additionally, our services include up to 10-year parts and labor warranties, showing our confidence in our workmanship. For new installations, routine maintenance, or emergency repairs, contact us today.





Whether you're in Warren, Niles, Cortland, or anywhere across Trumbull County, our experienced HVAC team delivers reliable heating and cooling solutions right to your door. We understand local climate challenges and provide same-day emergency services when you need us most, ensuring your family's comfort year-round.
Take advantage of 0% financing through Wells Fargo and free next-business-day estimates that make upgrading your home's comfort affordable and stress-free. Our commitment to exceptional service and flexible payment options means every homeowner throughout Trumbull County can enjoy efficient, dependable climate control without breaking the bank.