Experience the Warmth with Nalk’s Expert Heating Services

Keeping Your Home and Business Warm, Healthy, and Efficient

Fresno, Clovis, and Beyond


Offering a wide array of heating services, Nalk Air Conditioning and Heating is your trusted provider. We specialize in installations, repairs, and maintenance on a variety of heating equipment including furnaces and heat pumps. 


Dependable, energy-efficient heating services.


Optimal performance and energy efficiency tailored to your needs.


Service is just a call away.

Our Experience:

Over 35 Years in Fresno

Fully Equipped Trucks and Crews

Experienced Technicians

Personalized Service

Friendly Staff

Honest and Fair Pricing

Schedule Service

Why Nalk?

For over 35 years, our team has been deeply rooted in serving the Fresno and its surrounding communities, providing tailored HVAC solutions for families and businesses. Our extensive experience in Fresno, Madera, and Clovis equips us to understand and address the unique heating and cooling needs of each area. We're not just servicing units; we're ensuring the comfort and satisfaction of our neighbors in every job we undertake.

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Read the answers to some of the most popular questions we get about heaters and heater maintenance.

We provide heating services to a wide range of communities in the Central Valley, including Fresno, Madera, Friant, Clovis, Sanger, Reedley, Parlier, Selma, Del Ray, Fowler, Kerman, Dinuba, Kingsburg, Orange Cove, San Joaquin, Calwa, Easton, Del Rey, Biola, Raisin City, Armona, Hanford, Lemoore, Riverdale, Caruthers, Laton, and Orosi. Our reach covers these areas extensively to meet your heating needs.

Servicing your heating system annually is vital for maintaining efficiency and preventing breakdowns. Our technicians provide comprehensive maintenance services. Ask us about the protection and peace of mind our annual Energy Savings Agreements can give you, your family, or your business. 

Various issues can lead to a furnace not heating properly. Our team checks for clogged filters, incorrect thermostat settings, and furnace component issues, ensuring a thorough resolution.

Noises in your heating system may be due to mechanical wear, loose components, or airflow obstructions. We identify and rectify these issues for smooth operation.

Replacement might be necessary if your system is over 15 years old, frequently needs repairs, or shows inefficiency. We can help determine the best course of action.

Frequent shutdowns can result from thermostat issues, dirty filters, or overheating components. We diagnose and address these problems for reliable heating.

While some increase is expected, excessively high bills might signal an inefficient heating system. We assess and recommend energy-efficient solutions. Sometimes the smartest financial decision is to replace an older, less efficient system with one that can save you money in the long run. 

Yes, a faulty heating system can be unsafe and impact indoor air quality. Safety risks include potential gas leaks and carbon monoxide emissions, which are serious health hazards. Additionally, issues such as dust accumulation can affect air quality. Our skilled team ensures your heating system operates safely and maintains healthy air in your environment.

This can be caused by thermostat issues or electrical problems. Our experts quickly diagnose and fix such issues to restore proper heating.

Improving efficiency involves regular maintenance, sealing leaks, and possibly upgrading ducting. We provide services to enhance your system’s efficiency.

Other questions?

We are always happy to hear from you.

Ready for a cozy winter?

Contact Us for Residential or Commercial Heating Services