Trained in providing the highest level of customer service and with an extensive knowledge of our ventilation units, our installation team ensures that the right solution is installed to meet your custom requirements.
Trained in providing the highest level of customer service and with an extensive knowledge of our ventilation units, our installation team ensure that the right solution is installed to meet the requirements.
We have over 30 years experience in the heating, ventilation and air conditioning industry
WE STAND BEHIND OUR GOOD NAME AND THESE TOP BRANDS.
Derr can match practically any ventilation and indoor air quality need with the right product to do the job.
Derr IAQ Skills & Expertise
What could be more important than the quality of the air we breathe? At Derr, we have a great many ways to remove the particulate matter from the air that enters our homes. Allergens. Pathogens. Smoke from wildfires. Pet Dander. Let us eradicate these threats to your health and well-being so you can breathe easy.
LED, ULTRA-VIOLET & ION GENERATION40%
FILTRATION VALUES to MERV 1575%
SEER FILTERS REMOVING 95% OF CONTAMINANTS 90%
NATE-Certified Professionals
Our team completes continuing education courses to ensure we can provide solutions to the most difficult problems and issues. We work efficiently and effectively to ensure 24/7 support for you.
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TRAINING COURSES
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AVG. COURSE HOURS PER TERM
Testimonials
“True Professionals”
Very impressed. They left me with considerable knowledge of our new heating/AC system.
Carolyn W.
BREMERTON, WA
“Excellent work”
Not only were they the most thorough with the initial inspection, they also had the best price offer.
Michael L.
KINGSTON, WA
“Highly recommend”
They generated a quote promptly; and their availability was great. They even gave us a lil’ discount.
Catherine J.
POULSBO, WA
“Very Knowledgeable”
They performed the most comprehensive inspection, and had the most knowledgeable handyman.
