commercial hvac
Commercial HVAC Contracts: Worth It? - Portland | EHCAre commercial HVAC maintenance contracts worth the cost? Learn what\
1,317+ Positive Reviews | NATE Certified | Serving Portland Since 2008
Serving Portland Since 2008
1,317 Five-Star Reviews
NATE Certified Technicians
Family-Owned & Operated
The Efficiency Heating & Cooling team publishes deep-dive guides on system design, troubleshooting, rebates, and indoor air quality tailored to the Pacific Northwest climate.
Stay ahead of system upgrades, maintenance planning, and troubleshooting with our most recent expert-written resources.
commercial hvac
Commercial HVAC Contracts: Worth It? - Portland | EHCAre commercial HVAC maintenance contracts worth the cost? Learn what\
hvac buying
Dual Fuel HVAC Systems: Ultimate Guide - Portland | EHCMaximize efficiency with dual fuel heating - combine heat pump + gas furnace for Portland\
hvac buying
Stack HVAC Rebates: Save Thousands - Portland Guide | EHCLearn how to combine federal, state & utility rebates for maximum HVAC savings in Portland. Stack incentives correctly. 39+ years expertise. Get our strategy guide.
hvac buying
HVAC Warranty Guide: Best Coverage - Portland | EHCCompare HVAC warranties from top brands. Learn what parts, labor & heat exchanger coverage really means. Protect your investment with expert insights.
hvac buying
Air Handler vs Furnace: Key Differences - Portland | EHCConfused about air handlers vs furnaces? Learn which heating system works best for Portland homes. NATE-certified experts explain operation and efficiency. Read guide.
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Are commercial HVAC maintenance contracts worth the cost? Learn what\
Maximize efficiency with dual fuel heating - combine heat pump + gas furnace for Portland\
Why \
Learn how to combine federal, state & utility rebates for maximum HVAC savings in Portland. Stack incentives correctly. 39+ years expertise. Get our strategy guide.
Compare HVAC warranties from top brands. Learn what parts, labor & heat exchanger coverage really means. Protect your investment with expert insights.
Confused about air handlers vs furnaces? Learn which heating system works best for Portland homes. NATE-certified experts explain operation and efficiency. Read guide.
Portland homeowners: understand SEER2, AFUE & HSPF2 ratings and how they impact your energy bills. Expert efficiency guide from NATE techs.
Is geothermal worth the high upfront cost in Portland? Complete ROI analysis including payback period, rebates & savings. NATE-certified expert analysis.
Dig into detailed coverage spanning system installation, seasonal maintenance, troubleshooting, and cost planning.
2 posts
Are commercial HVAC maintenance contracts worth the cost? Learn what\
Trane vs Carrier vs Lennox - which commercial HVAC system is most reliable? Compare efficiency, warranties, and costs. Expert analysis from NATE-certified pros. Read our guide.
21 posts
Maximize efficiency with dual fuel heating - combine heat pump + gas furnace for Portland\
Why \
Learn how to combine federal, state & utility rebates for maximum HVAC savings in Portland. Stack incentives correctly. 39+ years expertise. Get our strategy guide.
Compare HVAC warranties from top brands. Learn what parts, labor & heat exchanger coverage really means. Protect your investment with expert insights.
Confused about air handlers vs furnaces? Learn which heating system works best for Portland homes. NATE-certified experts explain operation and efficiency. Read guide.
Portland homeowners: understand SEER2, AFUE & HSPF2 ratings and how they impact your energy bills. Expert efficiency guide from NATE techs.
Is geothermal worth the high upfront cost in Portland? Complete ROI analysis including payback period, rebates & savings. NATE-certified expert analysis.
Save thousands on heat pump installation! Complete guide to 2025 federal tax credits, Oregon rebates & Energy Trust incentives. NATE-certified pros explain how.
Stop fighting over the thermostat! Control different room temperatures with HVAC zoning. How it works, costs & benefits. NATE-certified installation experts explain.
Compare air purifiers, UV lights & air scrubbers for your home. Which IAQ product is best for allergies, mold & odors? Expert HVAC analysis for Portland homes.
Variable speed vs single-stage HVAC for Portland homes: efficiency, comfort & cost compared. Expert analysis shows what you get. Buying guide.
What size mini split do you need? Calculate BTUs for your room size with our sizing guide. Avoid costly mistakes. NATE-certified experts show you how. Learn more.
Need a new HVAC system but tight on cash? Explore financing options, low interest plans & bad credit solutions. NATE-certified pros guide your purchase. Learn more.
Will Nest or Ecobee work with your Portland HVAC system? Check compatibility with furnaces, heat pumps & zoning. NATE installation guide.
Budget vs premium HVAC brands for Portland homes: lifespan, efficiency & warranty differences analyzed by NATE-certified experts. Worth the cost?
Which HVAC brands have lowest repair rates in Portland? We rank reliability based on real-world data. Expert buying guide from 39-year pros.
Portland mini split comparison: Mitsubishi, Daikin, Fujitsu reliability, efficiency & noise. Which ductless performs best? NATE expert guide.
Which furnace brand is most reliable for Portland winters? Compare AFUE ratings, warranties, and repair rates. NATE-certified pros share 39+ years insights. Learn more.
Not all heat pumps handle Portland winters. Find brands that heat efficiently below freezing - Mitsubishi, Bryant & more compared. Expert cold-climate analysis.
Which AC brand lasts longest in Portland summers? We rank Bryant, Mitsubishi, and more for efficiency and reliability. 39+ years experience. Read our comparison.
Which HVAC systems last longest in Pacific Northwest weather? Complete brand comparison for furnaces, heat pumps & AC. 39+ years experience. Read our expert guide.
6 posts
Lower your heating costs with expert efficiency tips for Portland winters. Optimal furnace settings, insulation advice & more. NATE-certified pros share 39+ years experience.
Keep your Portland home cool without sky-high bills. Energy efficient cooling tips, ideal thermostat settings & passive cooling. 39+ years expertise. Learn more.
Prepare your heating system for Portland\
Portland homeowners: when is replacement smarter than repair? The 50% rule, system age & cost analysis from NATE-certified experts. Guide.
Learn how to combine federal 30% tax credits, Energy Trust of Oregon rebates, Portland Clean Energy Fund grants, and utility incentives to reduce 2025 AC and heat pump costs.
Deferred-interest plans through Synchrony, GreenSky, and Ally cover the full installation while you wait for rebates and tax credits to arrive.
15 posts
Keep your furnace running during Portland\
Get your AC ready for summer. Essential spring startup steps: cover removal, filter change, test run. 39+ years Portland HVAC experience.
Beat the rush and avoid summer breakdowns. Early AC tune-up benefits for Portland homes. Schedule before peak season with our NATE techs.
Prepare your furnace for winter. Complete fall maintenance checklist: filters, vents, safety checks. Portland HVAC experts guide.
Step-by-step winter furnace prep: pilot lights, flame sensors, test cycles. Stay warm in Portland with our 39+ years of expertise.
Manage mold, dust mites, and wildfire smoke residue this fall. Portland air quality solutions from NATE-certified HVAC professionals.
Reduce indoor allergens during Portland pollen season. Filter upgrades and air purifier tips from 39+ years of HVAC expertise. Breathe easier.
Transition from heating to cooling smoothly. Spring maintenance checklist: outdoor unit clearance, system tests. Portland HVAC guide.
Protect your home from wildfire smoke. HVAC settings, MERV 13+ filters, air purifier tips. Portland smoke season safety from NATE experts.
Portland homeowners: clean your outdoor AC unit step-by-step. Remove debris, straighten fins & improve airflow. DIY maintenance from NATE techs.
Portland duct cleaning improves air quality & system efficiency. When you need it and what to expect from NATE-certified duct specialists.
Keep your Portland heat pump running efficiently all year. Seasonal maintenance tasks for Oregon climate. NATE-certified technician schedule.
Combat dry winter air with whole-house humidifiers. Bypass vs powered models and maintenance tips. Portland installation experts explain.
How often should Portland AC coils be cleaned? Signs of dirty coils and impact on cooling. Maintenance schedule from NATE-certified pros.
Portland HVAC maintenance vs emergency repairs: cost analysis & service plan value explained by 39+ year experts. Save money long-term.
39 posts
Use your HVAC and insulation to protect pipes during Portland cold snaps. Prevent burst pipes with 39+ years of expert advice.
What to expect from your heat pump in Portland winters. Defrost cycles, steam, cooler air temps explained by local HVAC professionals.
AC running but not cooling during Portland heat? Filter, coil, refrigerant checks explained. 39+ years of summer cooling expertise.
Portland heat pump blowing cold air in winter? Low refrigerant, aux heat failure, outdoor unit issues. Cold weather heating troubleshooting.
Pre-cooling strategies, filter care, heat load reduction for 100° weather. Keep your AC running during Portland heat waves. Expert tips.
No power to your Portland air conditioner? Check breaker, thermostat, disconnect switch. Step-by-step troubleshooting from NATE experts.
Portland furnace igniter not glowing? Replacement signs and step-by-step DIY tips. HVAC experts share professional techniques for homeowners.
Follow these steps to thaw a frozen AC in Portland without damaging the compressor or coils before scheduling professional service.
Portland furnace making loud noises? Identify banging, rattling, scraping sounds. When to shut down. NATE-certified technicians explain noises.
Handling refrigerant without EPA certification is illegal. Civil penalties can exceed $37,500 per day per violation. Efficiency Heating & Cooling technicians are universal certified.
Is your Portland AC compressor bad? Hard starting, humming, strange noises explained by NATE-certified technicians. What to check first.
Why does your Portland AC compressor overheat? Dirty coils, low refrigerant, electrical issues. Troubleshooting from 39+ years experience.
Portland AC fan not spinning but humming? Bad capacitors, burnt motors, power issues explained by NATE-certified experts. Troubleshoot now.
Why does your Portland AC take 5 minutes to start? Thermostat delays & compressor protection features explained. Normal or problem? Expert help.
Ice on your Portland AC evaporator coil? Dirty filters to low refrigerant causes. How to thaw safely. NATE technician troubleshooting guide.
Portland AC running but house feels damp? Oversized units, fan settings, dehumidification issues. HVAC humidity control solutions explained.
Portland AC leaking water indoors? Clogged drains, frozen coils, cracked pans explained. NATE technician guide to stopping AC leaks now.
Portland AC refrigerant leak detection: hissing sounds, oil spots, ice formation. Signs of freon leak and repair options. NATE-certified pros.
Find and safely reset your Portland AC unit after power outage or fault. High pressure switch reset guide. HVAC troubleshooting tips.
Portland AC making ticking noise? Loose fan blades, debris, compressor valve issues diagnosed. When to call NATE-certified professionals.
No air from Portland registers? Duct leaks, disconnects, blockages explained. Improve HVAC airflow in your home with expert guidance.
Portland furnace fan running constantly? Troubleshoot limit switches, thermostat settings, shorted wires. NATE-certified technician solutions.
Portland furnace blower motor problems: squealing, humming, weak airflow? Bad motor signs and solutions. HVAC expert troubleshooting.
Portland filter change frequency for 1-inch vs 4-inch, pets, allergies. Dirty filter symptoms explained. HVAC maintenance guidelines.
Smell gas near your Portland furnace? Take immediate action. Natural gas vs exhaust fumes identification. Gas furnace safety from NATE experts.
Portland furnace gas valve not opening? Sticking valves, solenoid issues, supply problems explained. Gas furnace repair from 39+ year experts.
Portland furnace shutting off too soon? High limit switch tripping from dirty filters, blocked vents. Furnace safety troubleshooting from NATE.
Why does your Portland furnace ignitor keep burning out? Voltage spikes, oils, cycling issues. Stop recurring problems. Electrical troubleshoot.
Yellow flame in your Portland furnace indicates incomplete combustion & CO risk. Blue vs yellow explained. Combustion safety from HVAC pros.
Portland heat pump aux heat stuck on causes high electric bills. Thermostat settings & wiring issues. Heat pump troubleshooting guide.
Portland heat pump covered in ice? Defrost board, sensors, reversing valve troubleshooting. Frozen heat pump solutions from 39+ year experts.
Electrical coil that controls valve movement burns out or fails
Portland house taking forever to heat up? Slow heating from dirty filters, duct leaks, under-performing systems. Troubleshooting from 39+ years.
How to tell if your Portland AC capacitor is bad: hum, click, no start? Visual signs & swollen capacitors. Test and diagnose start capacitors.
Portland HVAC making gurgling noise? Trapped water, drain blockages, condensate pump problems. HVAC noise repair from NATE-certified technicians.
Burning metal smell from Portland vents? Overheating motors, electrical shorts, heater startup smells explained. Burning dust vs electrical odors.
Smelling rotten eggs near Portland HVAC? Immediate safety steps for gas leaks. Sewer gas vs natural gas odors. Emergency gas furnace repair.
Portland HVAC turning on & off every 5 minutes? Short cycling causes: overheating, oversized units, thermostat location. NATE-certified repair.
Decode Portland thermostat error codes: Honeywell, Nest, Ecobee for HVAC faults. Clear codes and fix issues. Thermostat troubleshooting help.
8 posts
Is a ductless mini split right for your Portland home? Honest pros and cons - efficiency vs aesthetics. NATE-certified expert analysis. Read before buying.
Complete geothermal guide: loop types, installation process & suitability for Oregon soil. Is ground-source heating right for your Portland home? Expert insights.
Which is better for Portland - heat pump or gas furnace? Complete cost, comfort & efficiency comparison. NATE-certified expert analysis for PNW climate. Read guide.
Portland homeowners: understand the R-410A phase-out & new R-454B refrigerants. What you need to know about AC refrigerant changes. Expert info.
Can you retrofit zoning to your existing system? Guide to adding zone dampers and controls in Portland homes. Bypass systems & zone boards explained. Learn how.
Compare Ecobee, Nest, and Honeywell smart thermostats for Portland homes. Learn about C-wire solutions, rebates, installation, and automation tips for 2026.
Supplies 120V/240V power from the service panel to the furnace. Must be connected through a dedicated breaker and service switch.
Why does your Portland 90%+ furnace leak water? Condensate lines, pumps & freezing prevention for high-efficiency installs. Expert tips.
6 posts
Will homeowners insurance pay for HVAC damage? Learn what\
What certifications should your Portland HVAC contractor have? NATE, EPA & Oregon CCB licensing explained. Hire qualified techs with confidence.
What\
Are Portland landlords required to provide AC? Understand Oregon heating & cooling repair obligations. Tenant rights explained by local experts.
Should you tip your Portland HVAC technician? Service call and installation tipping etiquette explained. When and how much for heating pros.
Make your Portland window AC more efficient: proper sealing, sizing & usage habits to reduce electricity costs. NATE-certified money savers.
Schedule a consultation with Efficiency Heating & Cooling. We’ll translate blog insights into an actionable plan for your Portland home or commercial facility.
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Portland, OR 97202, USA
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Milwaukie, OR 97267, USA
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Happy Valley, OR 97086