At NW Energy Conservation, we believe great service starts with great equipment.
That’s why we only install, repair, and maintain systems from brands we trust - manufacturers that build products engineered for reliability, energy efficiency, and our finicky Northwest weather. From rainy winters to hot, dry summers, our customers deserve comfort that lasts. We work on any and all brands, but below are five of the top industry-leading brands that we are professionally trained on and particularly recommend.
1. Trane – “It’s Hard to Stop a Trane.”
Why local homeowners love it:
Trane is known nationwide for unmatched reliability. Their HVAC systems are built with heavy-duty components, corrosion-resistant coils, and precise temperature control. This setup is perfect for the damp Pacific Northwest climate.
Why we recommend it:
We’ve worked with Trane systems for years because they simply last. Many of our customers still have Trane units running strong after 15–20 years with proper maintenance. They perform exceptionally well in Fife and Tacoma’s coastal humidity, and their variable-speed heat pumps deliver quiet, steady comfort year-round. You can’t go wrong with it!
Popular systems we install:
• Trane XV20i Variable-Speed Heat Pump
• Trane S9V2 Gas Furnace
2. Mitsubishi Electric – The Mini-Split Experts
Why homeowners love it:
Mitsubishi dominates the ductless and inverter technology market. Their systems are whisper-quiet, energy-efficient, and ideal for homes with unique layouts, remodels, or additions. This is a common scenario in Seattle and other population-dense areas of our region. They work well in older homes, ADUs, commercial units, and so on.
Why we recommend it:
Our team is Mitsubishi-trained, and we love how adaptable these systems are. They allow homeowners to heat or cool specific rooms independently (“zoned comfort”) while keeping their energy bills low.
Fun Fact:
Mitsubishi’s Hyper-Heating Inverter systems can provide full heating capacity down to -13°F, so you don’t have to worry about your heating unit giving out on a cold January night.
Popular systems we install:
• Mitsubishi MUZ-FH Mini-Split System
• Mitsubishi MSZ-GL Wall-Mounted Units
• Mitsubishi Hyper-Heat Outdoor Units
3. Carrier – Innovation You Can Count On
Why homeowners love it:
Carrier literally invented modern air conditioning - and they’ve been improving it ever since. Known for high-efficiency and durability, Carrier’s equipment provides excellent comfort and indoor air quality.
Why we recommend it:
Carrier systems are built for both residential and light commercial spaces. We often recommend them for homeowners who want premium comfort with advanced smart controls. Their heat pumps and furnaces handle Tacoma’s moisture and Seattle’s salt air exceptionally well.
Popular systems we install:
• Carrier Infinity® Heat Pump
• Carrier Performance™ Gas Furnace
Quote Box: “Carrier combines performance with technology - they just work well and last long. We love installing them.”
— Alex Golod, Owner, NW Energy Conservation
4. Bosch – Quiet, Efficient, and Built to Last
Why homeowners love it:
Bosch’s modern inverter-driven heat pumps are extremely quiet and energy-efficient. They can be an excellent fit for homes across Federal Way, Puyallup, and Maple Valley.
Why we recommend it:
Their systems deliver precision temperature control and impressive SEER2 ratings. We’ve seen Bosch units perform reliably even during long humid stretches or sudden cold snaps.
Bonus Fact:
According to the Dept of Energy, Bosch’s variable-speed systems use up to 35% less energy than conventional single-speed HVAC units.
Popular systems we install:
• Bosch IDS 2.0 Heat Pump
• Bosch BOVA Series Variable-Speed System
• Bosch Therm Gas Furnaces
5. Lennox – Premium Efficiency & Performance
Why homeowners love it:
Lennox has long been known for its ultra-efficient and whisper-quiet HVAC systems. Many models qualify for Energy Star rebates thanks to their industry-leading SEER2 ratings.
Why we recommend it:
For homeowners who want top-tier efficiency and long-term savings, Lennox is an excellent choice. Their HVAC systems pair beautifully with smart thermostats and zoning controls - perfect for Seattle families who love saving energy.
Popular systems we install:
•Lennox Elite® Series
•Lennox XC21 Air Conditioner
•Lennox SL25XPV Heat Pump
Your HVAC system is one of the biggest investments in your home - so we take brand quality seriously. We’re not influenced by instagram videos or TV commercials - we literally know these systems inside and out and do an extensive amount of continuous research to always be aware of what’s working and what’s not. The industry is always changing and we love learning about new technologies!
Here’s why our expertise matters:
Performance You Can Count On: We only install systems with proven reliability in Northwest conditions.
Factory-Backed Warranties: All brands we install come with manufacturer warranties. We can even help you register for them.
Certified Installation: Our technicians complete ongoing training for proper installation and setup.
Energy Efficiency: We select systems that save you money on monthly bills while improving your comfort.
Long-Term Support: We stock compatible replacement parts and filters for all major brands, so that your breakdown doesn’t last longer than it needs to.
Call us today! We’d love to go over your different options.
We’re proud to serve our neighbors throughout Western Washington, including:
• Fife, WA • Tacoma, WA • Seattle, WA • Renton, WA • Puyallup, WA • Federal Way, WA • Kirkland • Maple Valley, WA • Covington, WA • Black Diamond, WA
Whether you’re in a city apartment in Seattle or a country home nestled under the evergreens, we’re here to elevate your comfort. Call us for any HVAC needs, and we’ll respond quickly!
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