David White Services, a proud Lennox Premier Dealer, is the largest residential heating and cooling company in southeastern Ohio, and we have taken care of tens of thousands of customers' indoor comfort needs since 1977. We offer a full range of residential Lennox heating and cooling products with full installation, and we service/repair all brands. HEATING Installation and repair of Gas Furnaces, Heat Pumps, Dual Fuel Systems, Geothermal Systems, Oil Furnaces, Gas Fireplaces, Gas Stoves, Wood Stoves, Humidifiers COOLING Installation and repair of central air systems, heat pumps, ductless mini-splits OTHER Whole House Generator Systems, Air Purification Systems, Wifi Digital Programmable Smart Thermostats, Maintenance Plans, Extended Warranties, Attic Insulation, Duct Cleaning BRANDS Lennox Heating and Cooling HeatnGlo Fireplaces Mendota Fireplaces Jøtul Stoves & Inserts Pacific Energy Stoves Briggs & Stratton Whole House Generators WaterFurnace Geothermal Systems