Polhamus Heating & Air Conditioning is a leading HVAC Contractor in Grant County and surrounding areas. Our service technicians average over 20 years experience. Since westarted out in 1998, we have been committed to ourclients' needs and satisfaction. Get in touch to receive your free estimate today. The Trane Comfort Specialist designation means a dealer has met Trane's stringent standards and is committed to being the best in every aspect of his or her business: installation, service, employee training and customer satisfaction.

Have a specific project that requires professional attention? Our services are designed to tackle even the most complex projects. We offer full HVAC replacement, new ground up install, rooftop package system design and management. Call us today to discover how we can help. Now is the time if you have baseboard heaters, wall air conditioners, doing and addition, or a remodel to install a Ductless Mini-Split HVAC System. A split system heat pump can cool & heat up to three rooms with just one outdoor unit.

Jim is a born and raised Moses Lakian. He grew up in the retail industry and really understands what it means to give customer service, just ask anyone he has worked with. He has designed HVAC systems in the Grant County Area for the last 13 years. Give him a call and he will get you a free estimate worked up.

From office space to hospital construction we have you covered. Greco has been designing commercial projects in the Columbia Basin the last 20 years. He specializes in Design Build HVAC-R projects. Greco has built a reputation on quality, a couple quick phone calls to commercial contractors in the area will verify his competency. Call today for your free estimate. This particular project was 8 phases. We worked in the the ER Department during an extensive remodel. The Emergency Room Department remained operational at all times during this project, as we modified existing HVAC systems to meet our clients needs.

What's new?

Installing radiant in floor heat. Concrete will be poured and hot water will flow through the pipes, heating the home. Radiant heat is often argued the most comfortable heat, at the same time reducing operating costs! Once walls are erected we will be installing a boiler system that will both.

Posted on Jul 16, 2020  •  Facebook

A few weeks back at the start of the COVID pandemic in Washington, Samaritan Hospital approached us to provide their ICU with a negative air system. Those who understand hospital mechanical systems know this is no simple task with little room for duct work and meeting hospital grade standards- as.

Posted on May 05, 2020  •  Facebook

Interested in indoor air quality for your home or office?

Posted on Apr 01, 2020  •  Facebook