Franzen Heating & Cooling FAQ: energy efficiency

Have questions? We’ve got answers. Browse our most common FAQs below.

The right size commercial boiler depends on several factors, including the building’s square footage, insulation, number of floors, and hot water demand. A Franzen HVAC professional can perform a detailed load calculation to recommend the appropriate system. Oversized or undersized boilers can lead to poor efficiency, higher costs, and uneven heating.

Commercial HVAC maintenance typically includes a full inspection and servicing of heating and cooling equipment. This often covers filter changes, coil cleaning, refrigerant checks, thermostat calibration, and safety inspections. Regular maintenance helps reduce downtime, improve energy efficiency, and extend the life of your system. critical for businesses that rely on consistent indoor comfort.

Most traditional tank water heaters last between 8 to 12 years, while tankless water heaters can last up to 20 years with proper maintenance. Regular flushing and checking the anode rod can help extend the life of your unit.

Yes — especially if your ducts are clogged with dust, debris, or mold. While not every home needs frequent cleanings, duct cleaning can improve airflow, increase HVAC efficiency, and reduce allergens in the air. It’s a cost-effective way to protect your indoor air quality and your HVAC system’s longevity.

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