Frequently Asked Questions

The biggest mistake is delaying repairs when issues first appear. In Mill Valley homes, especially older systems, small problems like weak airflow or strange noises can quickly strain the furnace and lead to costly failures. At Gibbs Heating and Air Conditioning, we focus on precise diagnosis to fix the root cause, not just symptoms.

Proper duct sizing ensures balanced airflow and consistent temperatures throughout your home. In Mill Valley's hillside and multi-level homes, poorly sized ducts cause uneven heating and force your system to work harder. At Gibbs Heating and Air Conditioning, we evaluate duct compatibility during every installation to match your home's unique layout.

Replace your furnace when repairs become frequent, efficiency drops noticeably, or the system is over 15 years old. Modern units offer better energy savings and reliability, especially important during Mill Valley's cool coastal evenings. At Gibbs Heating and Air Conditioning, we assess your system honestly and recommend replacement only when it makes financial sense long-term.

Cost depends on system size, equipment efficiency, duct modifications, and home complexity such as attic access or airflow challenges. Mill Valley homes with varied layouts or older construction often require custom planning. At Gibbs Heating and Air Conditioning, we provide transparent evaluations so homeowners understand what drives pricing before installation begins.

Yes, heat pumps perform exceptionally well in Marin County's mild year-round climate. They efficiently handle cool coastal evenings and warm summer days while offering quieter operation than traditional systems. At Gibbs Heating and Air Conditioning, we help homeowners transition to heat pumps tailored to local weather patterns and home structures.

Signs include persistent uneven temperatures, rising energy bills, visible damage, or ducts over 20 years old. Older Mill Valley homes often have ducts not designed for modern HVAC equipment. At Gibbs Heating and Air Conditioning, we perform detailed inspections in tight attic spaces to determine whether repair or full replacement is the smarter investment.

A thorough inspection checks for air leaks, restricted airflow, poor sealing, aging materials, and layout issues affecting comfort. We also assess insulation quality and duct condition to identify energy waste. At Gibbs Heating and Air Conditioning, our small experienced team explains findings clearly so homeowners understand what truly needs attention.

Proper airflow balance ensures every room receives consistent heating or cooling without hot or cold spots. In Mill Valley homes with varied room layouts and insulation levels, balanced airflow prevents system strain and improves efficiency. At Gibbs Heating and Air Conditioning, we prioritize vent placement and duct design during every installation.

A 10-year parts and labor warranty provides long-term protection and peace of mind, covering both equipment and service costs. It reflects confidence in quality workmanship and reduces unexpected repair expenses. At Gibbs Heating and Air Conditioning, we back our installations with comprehensive coverage to ensure lasting system performance.

Early planning allows time for proper system selection, duct evaluation, and scheduling before cold weather arrives. In Mill Valley remodels or additions, coordinating heating installation with construction timelines prevents delays. At Gibbs Heating and Air Conditioning, we work closely with homeowners to ensure seamless integration and code-compliant installations.

Yes, duct leaks force your HVAC system to work harder, wasting conditioned air and significantly increasing energy costs. Older Mill Valley homes are especially prone to loosened or deteriorated ducts. At Gibbs Heating and Air Conditioning, we repair leaks with long-term solutions that restore efficiency and lower monthly utility expenses.

Look for proper sizing, energy efficiency ratings, duct compatibility, and equipment suited to Marin County's climate. Replacing before peak summer demand ensures reliable cooling and avoids rushed decisions. At Gibbs Heating and Air Conditioning, we provide honest assessments and tailor replacements to each Mill Valley home's specific layout and insulation.