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Claim Your Free PageAbout Keys Heating & Cooling LLC
Keys Heating & Cooling LLC is a Pittsburgh-area HVAC contractor operating with a 4.7-star average drawn from 25 client reviews. Derrell Keys, the owner, staffs projects personally and dispatches crew members under his direct oversight, a structure that reviewers in Homestead and surrounding communities consistently note shortens response time compared to larger firms. The company handles residential replacements and emergency repairs without a dedicated website for online booking, which means phone contact drives most scheduling.
Because no website or social presence was available at time of publication, brand partnerships, rebate credentials, and specialty certifications cannot be confirmed and are omitted here to avoid misrepresentation. Homeowners should request proof of any equipment certifications directly during the initial call. The company's differentiating value, as evidenced by reviews, rests on speed of response and owner-level accountability rather than branded program affiliations or online self-service tools.
Sequoyah Davis's January 2022 review describes the outcome that earned Keys Heating & Cooling its strongest reputation: a furnace failure on the evening before a snowstorm, with Derrell arriving within the hour and sourcing the needed part by Sunday morning for a same-afternoon repair completed in under 20 minutes. Taylor Ollason describes a Saturday installation beginning at 7 a.m. with crew staying until 8 p.m. to finish, a pattern reviewers link to Derrell's preference for completing contracted work in a single visit rather than splitting scope across multiple service calls. Adrien Guillen and Kathleen Jae describe a counterpattern: communication gaps after initial payment, unfinished drainage hookups, and follow-up calls that received no response. That split pattern across reviews reflects a specific operational risk: customers who require ongoing coordination or phased work may need explicit written confirmation of a return-visit timeline before releasing final payment.
What Customers Say
24 of 25 reviews assign a 5-star rating. Every positive review names Derrell specifically; 3 of those also credit his crew by name. Both 1 and 2-star reviews cite the same failure: work left incomplete after payment with no return contact. Positive reviews consistently name same-day arrival, Sunday availability, and sub-20-minute repair resolutions as the reason for their ratings.
Services
Furnace Installation & Replacement
Remove an old gas or electric furnace and install a new unit, including venting and gas connection. Derrell sourced a part by Sunday morning during a snowstorm emergency.
Central AC Installation & Drainage Hookup
Install a split-system air conditioner and complete condensate drainage connection. Adrien Guillen reported this step was left unfinished after full payment.
Tankless Water Heater Installation
Install a tankless domestic hot water system as part of a whole-home HVAC package. Kathleen Jae paid $14,000 total for this system combined with HVAC work.
Emergency Heating & Cooling Repair
Diagnose and resolve a heating or cooling failure on short notice, including after-hours and Sunday arrivals, with sub-20-minute repair times noted.
General HVAC Repair & Diagnostic
Troubleshoot malfunctions, identify the root cause, and execute the repair in one visit when possible. Darrell diagnosed Adrien Guillen's furnace problem during the initial truck roll.