Efficiency Heating & Cooling

Cornelius HVAC Company —
Repair, Installation & Maintenance

Licensed & insured Cornelius, Oregon HVAC professionals for furnaces, AC, and heat pumps. Same/next-day service with 1,000+ five-star reviews.

  • Serving Cornelius, Forest Grove, and homes along TV Highway

  • Peak tune-ups: May–June (AC), Sept–Oct (furnaces before cold damp winters)

  • Common issues: agricultural dust, valley fog, and power surges from rural grids

Will was great. He was communicative and fixed the issue quickly. I highly recommend him and Efficiency.

google reviews
yelp reviews
Efficiency Heating & Cooling LLC BBB Business Review
logo fad bryant
home advisor reviews
google reviews
yelp reviews
Efficiency Heating & Cooling LLC BBB Business Review
logo fad bryant
home advisor reviews

Reviews from Cornelius Oregon Area Homeowners

Real Google reviews from our Milwaukie HQ and satellite offices in Portland and Happy Valley serving the Cornelius community, including Forest Grove, Hillsboro, and neighborhoods along TV Highway.

Our furnace has been serviced by Efficiency Heating and Cooling for several years and the experience has been good.
Response from the owner:Thank you so much for the wonderful review, Alberto! We're thrilled to have been servicing your furnace for several years and truly appreciate your continued trust in Efficiency Heating and Cooling. It means the world to us that you've had consistently good experiences with our heating system maintenance.​ We value long-term relationships with our customers like you, and we're committed to providing the same reliable, quality service for many years to come. If you ever need anything—whether it's routine maintenance, repairs, or questions about your heating system—don't hesitate to reach out to us at (503) 908-6066 or 971-360-9787.​ Thank you for being a loyal customer! — The Efficiency Heating and Cooling Team
As always, I received a text message from Efficiency and knew who to expect for my winter maintenance service. A photo of my service technician, Jason, was also provided. He was friendly and arrived promptly at the scheduled time and made note of my answers to his inquiries about how my furnace was working. Efficiency provides great technician and customer service.
Response from the owner:We’re grateful and appreciate you taking the time to share your experience with us. Thank you for the 5 starts.- Joan Williams
Jim came out for a scheduled maintenance on our furnace . He would always let me know what he was doing and was very professional .
Response from the owner:Thank you Mary for giving us the opportunity to help you out! Also thank you for your feedback!
Efficiency Heating and Cooling has always been dependable over the last 7+ years we've worked with them. We had Tristan as our service tech recently. He was friendly, courteous, professional, detailed and provided the service we could only hope for. Highly recommend
Tristen was the tech who came out to perform the annual maintenance on my furnace. He was friendly, polite and professional. After he finished the maintenance, he explained what he found and presented me with some additional information on maintenance plans, as well as several other options I might want to look into.
Response from the owner:Hi Karen, thank you for taking the time to leave us a 5-star review! We are thrilled to hear that you have been using Efficiency Heating & Cooling for several years and have always been satisfied with our service. Our team takes pride in going above and beyond for our customers, and we truly appreciate your support. Thank you for choosing us for your furnace and air conditioning maintenance. We are always happy to answer any questions you may have. Thanks again, the Efficiency Heating & Cooling team.
Friendly, helpful, knowledgable. And cost effective annual service for my furnace! Thank you Merideth.
Response from the owner:Thank you for your kind review! Your satisfaction is our top priority.
Excellent experience, the technician was knowledgeable, thorough, careful, and efficient. I would definitely recommend Efficiency Heating & Cooling in the future.
Response from the owner:Charles, We thank you for sharing your positive experience.
How absolutely refreshing it was to meet such an amazing honest technician and salesman. I have sought out second opinions on a old furnace and air conditioning and have been misquoted and misdiagnosed. Having Jason come out after a stellar referral, was literally night and day. I look forward to conducting business with him in the future I'm sharing his skills and integrity with friends and colleagues.
yH5BAEAAAAALAAAAAABAAEAAAIBRAA7

Ratings shown are from our Google Business Profiles and may include nearby cities such as Forest Grove, Hillsboro, and Cornelius.
Read all our reviews.

Searching for a Cornelius HVAC Quote
or Emergency Services?

The Primary Heating & Cooling Services Provided By Our HVAC Company in Cornelius

air conditioner 400x400 1 1

AC Services

AC Services — Installation, repair, and seasonal tune-ups for central air and ductless systems in Cornelius homes. From older houses near downtown to new construction along TV Highway, we provide reliable cooling solutions that handle Oregon’s hotter summers, valley fog, and seasonal agricultural dust.

gas furnace 400x400 1 1

Furnace Services

Furnace Services — Repair, replacement, and installation of furnaces for Cornelius homes. Whether serving historic neighborhoods or rural farmhouses, we keep families comfortable during damp winters and foggy mornings, ensuring safe, efficient heating with modern, high-efficiency furnaces.

heat pump 400x400 1 1

Heat Pump Services

Heat Pump Services — Many Cornelius families choose heat pumps for year-round comfort. We install, repair, and maintain energy-efficient systems designed for the Willamette Valley climate, supporting both suburban properties, multi-family dwellings and rural homes near Forest Grove and Hillsboro.

ductwork-company-portland

DuctWork Services

Ductwork Services — Professional duct cleaning, sealing, and modifications for Cornelius homes. From older houses with undersized duct systems to larger rural residences, we restore airflow and HVAC efficiency, reducing energy use and improving indoor comfort with comprehensive ductwork care.

air purifier 400x400 1 1

Other Solutions

Other Solutions — Indoor air quality upgrades, maintenance agreements, and commercial HVAC services for Cornelius businesses. From wineries and tasting rooms to shops near downtown, our NATE-certified technicians deliver customized solutions to improve heating, cooling, and year-round comfort.

Our Friendly HVAC Team Stands Out Among other Local Heating and Cooling Companies in Cornelius

logo fad bryant

We Aim to Be One of the First Cornelius
HVAC Companies That You Contact

Our Friendly HVAC Team Stands Out Among other Local Heating and Cooling Companies in Cornelius, Oregon

CLIMATE & HEATING NEEDS

  • Cornelius families face chilly valley fog in winter and summer highs over 90°F.

  • Older homes often rely on aging oil or electric furnaces needing upgrades.

  • New subdivisions near TV Highway benefit from efficient, properly sized systems.

PROPERTY & MAINTENANCE CHALLENGES

  • Agricultural dust and pollen from nurseries and berry farms clog HVAC filters quickly.

  • Vineyards and rural properties require more frequent duct and equipment cleaning.

  • Maintenance plans keep systems efficient through seasonal swings and damp valley conditions.

AIR QUALITY & COMFORT SOLUTIONS

  • Local allergens from farms, vineyards, and nurseries affect indoor comfort.

  • Wildfire smoke during late summer often impacts valley air quality.

  • We install HEPA filtration, humidity control, and air purification to create healthier homes.

More Information

Heating and Cooling Expertise for Cornelius Homes and Businesses

Cornelius, located in Washington County’s Tualatin Valley, mixes farmland, vineyards, and neighborhoods along TV Highway. This variety creates unique HVAC needs: dusty summers during harvest, damp winters with valley fog, and distinct microclimates between historic downtown and newer subdivisions near Forest Grove. Efficiency Heating & Cooling (CCB #187834) provides licensed heating and cooling solutions designed for these conditions.

What HVAC Challenges Do Cornelius Homeowners Face?

Homes in Cornelius range from century-old Victorians to newer builds. Our team helps with:

  • Modernizing ductwork or replacing aging oil furnaces in older homes.
  • Right-sizing equipment in new subdivisions to avoid uneven comfort.
  • Upgrading filters and IAQ systems for rural homes near vineyards and berry farms.

We provide comprehensive heating services and cooling upgrades tailored to Cornelius conditions.

How Do Cornelius Wineries and Businesses Manage HVAC?

From tasting rooms to nurseries and retail shops along Baseline and Adair, businesses require reliable comfort systems. Our commercial HVAC services cover:

  • Climate control for wine storage and food-handling facilities.
  • Ventilation solutions for greenhouses and agricultural operations.
  • Proactive maintenance to prevent downtime during harvest or busy retail seasons.

Hypothetical example: A Cornelius vineyard preparing for a summer wine festival might schedule preventive AC service to ensure tasting rooms stay comfortable for guests.

Furnace Services Built for Cornelius’ Foggy Winters

What Furnace Repair Issues Are Common in Cornelius?

Persistent fog and moisture strain heating systems. Our furnace repair team frequently resolves:

  • Ignition or control problems linked to rural power surges.
  • Corroded heat exchangers from damp valley air.
  • Vent blockages caused by dust and pollen from farms.

When Should Cornelius Families Install a New Furnace?

Furnace installation starts with a detailed load calculation. Rural homes may require dual-fuel systems for propane backup, while newer houses near Forest Grove benefit from high-efficiency zoning setups.

How Can Preventive Maintenance Extend Furnace Lifespan?

Seasonal tune-ups protect systems from local wear factors such as:

  • Clogged filters from berry field dust.
  • Rust risk from high humidity levels.
  • Improper calibration that reduces efficiency during cold foggy mornings.

Why Replace an Outdated Furnace?

Older 1990s models operate at 70–80% efficiency. Through our furnace replacement program, Cornelius families upgrade to 95%+ AFUE systems, lowering energy costs and qualifying for Energy Trust rebates.

Keeping Cornelius Homes Cool During Hot Summers

How Should AC Systems Be Installed for Valley Microclimates?

With summer highs reaching the 90s, AC installation must consider location factors:

  • Shaded downtown homes may need smaller units.
  • Exposed properties along TV Highway often require higher-capacity cooling.
  • Zoning improves comfort in large or multi-level houses.

Why Are AC Repairs Frequent in Cornelius?

Our AC repair services address local issues such as:

  • Coils clogged with vineyard dust or cottonwood fluff.
  • Capacitor failures from rural grid surges.
  • Airflow loss in older homes with leaky ductwork.

How Does Maintenance Prevent Heatwave Breakdowns?

Routine maintenance ensures reliable cooling. For homes near berry farms, semi-annual service helps reduce debris buildup that strains equipment.

When Should Cornelius Homeowners Replace an AC Unit?

Systems installed before 2006 are often inefficient. Our AC replacement program provides SEER 16+ models, improving comfort and lowering energy bills.

Are Heat Pumps a Good Choice for Cornelius Properties?

Why Do Heat Pumps Work Well in the Valley Climate?

Heat pump installation offers year-round comfort. Variable-speed models balance energy efficiency across Cornelius’ mild winters and warm summers.

What Heat Pump Repairs Are Most Common in Cornelius?

Our repair team frequently resolves:

  • Defrost cycle failures during freezing mornings.
  • Outdoor coil blockages from vineyard debris.
  • Storm damage to outdoor units from wind or falling branches.

How Does Maintenance Improve Efficiency?

Biannual tune-ups cover coil cleaning, refrigerant checks, and filter replacements. Rural homes often require quarterly service to handle excess dust and allergens.

When Is Heat Pump Replacement the Right Move?

Replacing an older heat pump with inverter-driven technology reduces energy use by up to 40% while maintaining consistent comfort.

How Do Cornelius Families Improve Indoor Air Quality?

Wildfire smoke, valley fog, and allergens affect local air quality. We install HEPA filters, humidity control systems, and air purifiers to create healthier indoor spaces year-round.

Trusted HVAC Partner for Cornelius Residents

From downtown homes to rural farmhouses, we know Cornelius HVAC needs. Every project is backed by our satisfaction guarantee, providing confidence in our service.

Flexible HVAC Financing Options for Cornelius Families

Upgrading comfort systems is a big investment. Our financing options make it easier to install new furnaces, add central AC, or switch to an energy-efficient heat pump. Paired with rebates, these programs help Cornelius households improve comfort without straining budgets.

Frequently Asked Questions About HVAC in Cornelius, OR

What furnace problems are most common in Cornelius homes?

Local homeowners often experience ignition failures, corroded heat exchangers from damp winters, and clogged vents from agricultural dust and pollen. Our furnace repair services are designed to address these Cornelius-specific issues.

How often should Cornelius residents schedule HVAC maintenance?

We recommend at least annual maintenance, but homes near berry fields and vineyards often benefit from semi-annual service due to higher levels of dust and allergens. Regular tune-ups improve efficiency and extend equipment life.

Do you offer emergency HVAC repair in Cornelius?

Yes. Our team provides 24/7 emergency service for furnaces, air conditioners, and heat pumps throughout Cornelius, including downtown neighborhoods and rural properties along TV Highway.

What are the benefits of installing a heat pump in Cornelius?

Heat pumps provide efficient year-round heating and cooling, making them ideal for Cornelius’ moderate climate. Modern inverter-driven models also reduce energy costs by up to 40% compared to older systems.

Can Cornelius homeowners finance HVAC upgrades?

Yes. We provide flexible HVAC financing options for new system installations and major repairs. Combined with Energy Trust rebates, financing helps families improve comfort while managing their budgets.