Durham, NC Furnace Installation

Installing Durham Furnaces Honestly & Carefully Since 1972

Replacing a furnace is a significant investment, and it deserves careful attention. A furnace that’s the wrong size for your home, or one installed without proper attention to detail, can underperform from day one and cost you more in energy bills and repairs over time. Getting it right from the start is what separates a system you’re happy with from one that becomes a recurring headache.

CWJ Heating & Air Conditioning’s heater services team has been installing furnaces in Durham homes since 1972, and we approach every job the same way: honestly and carefully. Our staff knows the products we carry inside and out, understands the specific code requirements for every city and county we serve, and can work with you to identify the right system for your home and your budget without pressure or inflated recommendations. Our installation technicians are NATE-certified, experienced, highly recommended, and paid hourly, so their focus is on doing the job right rather than moving on to the next call.

Proper furnace sizing requires accounting for your home’s square footage, insulation levels, duct layout, and local climate conditions. We run through each of those factors before making any recommendation, and we offer competitive rates and flexible payment options so the right system fits your budget as well as your home.

Ready to talk about a new furnace for your home? Call CWJ Heating & Air Conditioning at (919) 296-4999 or contact us online to request your free estimate today!

What to Expect When Our Furnace Installers Arrive

Every furnace installation we complete follows a clear, thorough process designed to get your new system running correctly and leave your home the way we found it.

When our installation team arrives, you can expect:

A pre-installation walkthrough. Before any work begins, we’ll review the plan with you, confirm the equipment specifications, and address any questions you have about the process or the new system.
Safe and proper removal of your old unit. We handle the disconnection and removal of your existing furnace carefully and in full compliance with local codes, including proper handling of any gas connections involved.
Precise equipment installation. Your new furnace is installed to manufacturer specifications and local code requirements, with careful attention to airflow, clearances, venting, and all connections that affect performance and safety.
Full system testing before we leave. We run a complete operational check to confirm the furnace heats to the set temperature, the blower operates correctly, and there are no unsafe conditions before we call the job done.
A clear walkthrough of your new system. Before we pack up, we’ll show you how your new furnace operates, walk you through any maintenance steps you should know, and answer any remaining questions.

From the first conversation to the final test run, you’ll know where things stand.

Signs Your Durham Home’s Furnace Is Due for Replacement

Knowing when to replace rather than repair a furnace can save you money and frustration. Furnaces typically last 15 to 20 years with proper maintenance, and systems approaching or past that range are strong candidates for replacement. Age alone isn’t the only indicator, though.

Rising heating bills without any change in usage habits can signal declining efficiency. Uneven heating across rooms, frequent cycling, and unusual sounds are common signs that a system is nearing the end of reliable service. A useful rule of thumb: if a repair estimate reaches 50 percent or more of what a replacement system would cost, the economics generally favor replacing it. In North Carolina’s mixed climate, a furnace that struggles to hold temperature during moderately cold weather points to a capacity or condition problem, not an unusually harsh season.

Furnace Efficiency & System Options for Durham Homeowners

Gas furnaces are rated by Annual Fuel Utilization Efficiency (AFUE), a measure of how much fuel consumed actually becomes heat in your home. Current federal minimums require 80 percent AFUE for gas furnaces, while high-efficiency models reach 90 to 98.5 percent. The difference in operating cost between an older low-efficiency unit and a modern high-efficiency furnace can be meaningful over the life of the system.

Electric furnaces convert energy at close to 100 percent efficiency, though the right choice between gas and electric depends on local utility rates and your home’s existing infrastructure. Heat pump systems have also become increasingly effective in cooler temperatures thanks to advances in cold-climate technology. Because North Carolina’s climate is relatively moderate, heat pumps can operate efficiently across most of the heating season, making them a viable furnace replacement option for many Durham homes. We cover heating, air conditioning, indoor air quality, and HVAC maintenance in one place, so evaluating all of these options doesn’t require coordinating with multiple contractors.

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Switching From a Gas Furnace to an Electric System

More Durham homeowners are exploring the option of converting from a gas-powered furnace to a modern electric system, and it’s a conversation worth having. Electric furnace and heat pump systems have become significantly more efficient in recent years, and for the right home, the long-term savings on energy costs and maintenance may be substantial.

A gas-to-electric conversion involves more than swapping one system for another. It requires removing the gas line connection, installing an appropriately sized electric system or heat pump, and confirming that the home’s electrical panel can support the new load. Some conversions also call for duct modifications or electrical upgrades, which affect total project cost and timeline. Having a contractor who holds both licenses matters here.

CWJ Heating & Air Conditioning is fully licensed for both gas piping and HVAC installation, which puts us in a position to guide you through this transition accurately and safely, something not every HVAC company is equipped to do. We can give you a straightforward breakdown of what a conversion would involve for your specific home, what the realistic costs and benefits look like, and whether it makes practical sense for your situation. No pressure, no sales pitch, just the information you need to make a confident decision.

For honest furnace installation guidance in Durham, call CWJ Heating & Air Conditioning at (919) 296-4999 and request a same-day appointment with our experienced local team!

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$35 OFF Any Smart Stat
Get a Nest, Ecobee, Honeywell, or any Smart Stat of your choice for $35 Off.
** Installation not included–Need to advise CWJ staff you have a coupon when requesting service.
Valid Dec 15, 2022 - Dec 15, 2030
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15% OFF Whole-House Dehumidifier
Get 15% off a whole-house dehumidifier system. Equipment only.
** Installation not included.–Need to advise CWJ staff you have a coupon when requesting service
Valid Dec 15, 2022 - Dec 15, 2030
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10% OFF On Demand Services
HVAC broken? Get 10% off the service call labor.
** During regular operation hours only. Need to advise CWJ staff you have a coupon when requesting service.
Valid Dec 15, 2022 - Dec 15, 2030
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$100 OFF Any New System
Get $100 off the equipment for a completely new HVAC system that is purchased and installed by CWJ Heating & Air.
Restrictions may apply. Must mention coupon when scheduling service.
Valid Dec 15, 2022 - Dec 15, 2030
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$300 Planned Service Contracts
Flat low rate for 2 service trips per year for up to (2) systems per home. Price includes tax.
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FREE Merv Media Filter
Get a free Merv Media Cabinet & Filter ($225 value) with the purchase of system.
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“5-star company!”
“Excellent people very technical group of people.”

- Kurt Y.
“We are so grateful to have heat again!”
“Brett was responsive and courteous. Jairo was respectful, prompt, understanding and knowledgeable.”

- Louisa L.
“Christian was polite and helpful.”
“He explained everything well. He arrived during the scheduled time.”

- Tonya
“I would definitely recommend CWJ to my friends.”
“Same day service when my heat first went out - on a Saturday - which ultimately got replaced.”

- Judy S.
“The technician came within 90 minutes of my call.”
“CWJ responded very quickly to my request to check behavior of my heating system.”

- Nils B.
“Outstanding job you guys.”
“He went above and beyond by also spraying and cleaning the enternal and external system.”

- Kenyon L.
“Daniel was great and took care of everything we needed.”
“Would definitely recommend for any HVAC services.”

- Chasity H.
“Highly recommend CWJ Heating & Air.”
“Looking forward to working with them in the future for all of my HVAC needs!”

- Kristen B.

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