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Claim This BusinessJ.J. Smith Heating has kept Cincinnati homes comfortable for decades, earning a perfect 5.0-star average across 133 verified reviews. Based in Cincinnati, Ohio, this licensed and insured contractor serves the greater metro area including neighborhoods like Eastgate, Western Hills, and Mt. Lookout. Their team handles air conditioning repair, furnace service, heat pump installation, and preventive maintenance for residential systems. The company maintains standard weekday hours from 8 AM to 4:30 PM and stands behind all workmanship with a satisfaction guarantee.
What distinguishes J.J. Smith from competing contractors is their flexible approach to problem-solving and their brand versatility. The company services all major equipment brands including Trane, Carrier, Lennox, Goodman, Rheem, and York, giving homeowners options rather than steering them toward a single manufacturer. Their no-fix-no-fee policy means customers pay only for successful repairs, not diagnostic fees. They also offer duct cleaning services to improve indoor air quality and seasonal maintenance plans designed to extend HVAC system lifespan and prevent emergency breakdowns before extreme temperatures arrive.
Customer reviews consistently highlight specific technicians who went above standard service calls. When both furnaces at Grammas Pizza went out during a 20-degree winter day, Andy and his crew arrived immediately and even custom-fabricated a replacement part rather than waiting six weeks for a factory order. Patricia Volk received weekend emergency service when her heat failed, with technician Bryce personally delivering temporary heaters after the repair couldn't be completed in a single visit. For a homeowner overdue for a new system, Julie Williams praised the owner's willingness to present multiple quote options and the installation crew's meticulous prep work throughout the home.
Every one of the 133 reviewers awarded 5 stars, with customers repeatedly praising specific technicians like Andy, Chris, Bryce, and Dylan for same-day response, fair pricing, and creative problem-solving during emergency calls.
| Sunday | Closed |
| Monday | 8 AM–4:30 PM |
| Tuesday | 8 AM–4:30 PM |
| Wednesday | 8 AM–4:30 PM |
| ThursdayToday | 8 AM–4:30 PM |
| Friday | 8 AM–4:30 PM |
| Saturday | Closed |
Diagnosing refrigerant leaks, capacitor issues, and cooling failures with same-day service available for emergency calls.
Gas and electric furnace repairs including ignition problems, safety inspections, and winter emergency service.
Installing efficient combined heating and cooling systems from major brands with proper permitting.
Removing accumulated dust and allergens from ductwork to improve indoor air quality throughout the home.
Installing smart WiFi thermostats with full system setup and homeowner instruction on programmable features.
Complete furnace, air conditioning, and ductwork replacement with upfront pricing and multi-option quotes.
Installing Aprilaire bypass and steam humidifiers to improve home comfort and reduce electric utility costs.