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Polhamus Heating & AC Polhamus Heating & AC
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28 Years
experience
Emergency
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Expert HVAC Installation, Repair & Maintenance Services in Moses Lake, WA
Polhamus Heating & AC Heating & Air Conditioning has been a trusted leader in HVAC solutions since 1998, serving Grant County and surrounding areas. Our team of technicians brings an average of over 20 years of experience to every project, ensuring expert installation, repair, and maintenance of residential, commercial, and industrial systems. We specialize in customized preventative maintenance plans, ductless mini-split systems, and geothermal solutions, prioritizing energy efficiency and client satisfaction. Our commitment to excellence is reflected in our Trane Comfort Specialist designation and Better Business Bureau A+ rating. We offer 24/7 emergency service and free estimates, with financing options available through Ingersoll Rand and Wells Fargo.

Our commercial projects include complex installations for hospitals, warehouses, and churches, while residential services range from new construction to retrofits. Our teams expertise spans HVAC design, gas piping, ductwork fabrication, and indoor air quality improvements. We pride ourselves on transparent communication, competitive pricing, and long-term client relationships built on reliability and technical proficiency. Our local knowledge of Moses Lake and the Columbia Basin ensures tailored solutions that meet regional climate challenges.
Services
HVAC Installation Preventative Maintenance Ductless Mini-Split Systems Geothermal Systems Indoor Air Quality Solutions Gas Piping Ductwork Fabrication Commercial HVAC Projects Emergency Repairs Ventilation Systems
Details
  • Year established: 1998
Highlights and features
  • Our technicians average over 20 years of HVAC experience.
  • We offer 24/7 emergency service for urgent heating and cooling needs.
  • Trane Comfort Specialist certification ensures industry-leading standards.
  • Better Business Bureau A+ rated for customer satisfaction and reliability.
  • Free estimates provided for all residential and commercial projects.
Associations and certifications
  • Better Business Bureau
  • Trane Comfort Specialist
What people say
Extremely thorough Great service Speedy after hours service Always been great to work with Very detailed
Update Listing
Services
HVAC Installation
We provide full HVAC replacement and new construction installations for residential, commercial, and industrial properties. Our team uses manual J load calculations to design efficient systems tailored to your space. Services include rooftop package systems, VRF technology, and high-efficiency ERV units for optimal climate control.
Preventative Maintenance
Customized maintenance plans extend system longevity and improve efficiency. Our technicians perform thorough inspections, filter replacements, and performance optimizations. Regular service reduces utility bills, prevents emergencies, and includes priority scheduling for urgent repairs when needed.
Ductless Mini-Split Systems
Ideal for additions, remodels, or homes with baseboard heating, our ductless systems offer zoned temperature control with quiet operation. Single outdoor units connect to up to three indoor heads, featuring anti-allergy filters for improved indoor air quality in residential spaces.
Geothermal Systems
We install geothermal systems that use underground piping for energy-efficient heating and cooling. These systems significantly reduce energy consumption by leveraging stable underground temperatures, providing long-term cost savings and environmental benefits for residential and commercial properties.
Indoor Air Quality
Our air purification systems include electronic air cleaners, UV bulbs, and air scrubbers to eliminate allergens and pathogens. We also install humidifiers and energy recovery ventilators to maintain healthy, comfortable indoor environments in homes and businesses.
People
Greco Signorelli
President - Commercial Sales
With over 20 years of commercial HVAC design experience in the Columbia Basin, Greco specializes in complex projects. His reputation for quality and efficiency is verified by local contractors, ensuring client needs are met with precision and expertise.
Jim Backman
Residential Sales
A Moses Lake native with 13 years of HVAC design experience, Jim provides personalized solutions for residential clients. He specializes in new construction and retrofit projects, offering free estimates based on manual J load calculations for optimal system performance.
Dave Carlson
Service Manager
Dave leads our service team with over 10 years of HVAC expertise. He ensures timely, thorough repairs and maintenance, as demonstrated by his rapid resolution of a recent no-heat emergency call, reflecting his commitment to customer satisfaction.
Tracy Hartman
Install Manager
Overseeing installation operations, Tracy ensures all projects meet Polhamus Heating & AC' quality standards. With a decade of experience, he manages teams for residential, commercial, and industrial installations, prioritizing efficiency and client communication.
Brenda Adame
Office Manager
Brenda coordinates office operations and client communications with five years of experience in HVAC business management. She ensures smooth project coordination between technicians, sales teams, and customers for seamless service delivery.
Questions
When should I schedule HVAC maintenance?
Schedule preventative maintenance annually for optimal efficiency. Our technicians recommend inspections before peak seasons to ensure system readiness.
What are the benefits of a ductless mini-split?
Ductless systems offer zoned temperature control without ductwork, ideal for additions or homes without existing systems. They improve energy efficiency and indoor air quality.
How do I know if I need HVAC replacement?
Consider replacement if your system is over 15 years old, requires frequent repairs, or shows declining efficiency. Our technicians provide free evaluations to determine cost-effective solutions.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service. Call our office at any time for urgent heating or cooling issues, with technicians available after hours and on weekends.
What financing options are available?
We offer commercial financing through Ingersoll Rand and residential options with Wells Fargo for approved credit, making system upgrades more accessible for all clients.
How do you ensure indoor air quality?
We install electronic air cleaners, UV bulbs, and air scrubbers to remove allergens and pathogens. Our solutions also include humidity control systems for healthier living environments.