Grissom Heat & Air

Grissom Heat & Air delivers heating and cooling services across Knoxville and surrounding East Tennessee communities. The contractor holds a 4.6-star average rating compiled from 32 client reviews, reflecting consistent service quality in a region where summer humidity and winter freezes test every system. Their service menu spans residential heat pump repair, conventional AC installation, heating system conversions, and indoor air quality solutions including advanced filtration and purification equipment.

What distinguishes this contractor emerges through their hands-on approach. Website listings emphasize heat pump expertise alongside duct repair and replacement, suggesting capability with both modern variable-speed systems and aging infrastructure common to Tennessee housing stock. The Air Filtration Systems & Air Purifiers category signals attention to indoor air quality, a meaningful differentiator given the state's seasonal allergy burdens.

Client testimonials name specific team members and scenarios worth knowing. Reviewer David Sekera credited technicians Josh and Isaac with professional conduct across two service calls, noting neither attempted unnecessary upgrades. Sandy Baer's household received same-day service when their 13-year-old system failed during a 24-degree overnight, with a start capacitor replaced within two hours of the morning call. Elizabeth Dressel's review describes a full system replacement completed in under four hours, workmanship that earned a five-star rating and referral recommendation.