Marathon Hvac Services

Before you hire Marathon Hvac Services

In California, HVAC contractors are licensed through the California Contractors State License Board (CSLB). Ask Marathon Hvac Services for its license number and check that it is active and in the business's name on the board's website. Look up the license

• The typical home in Whittier was built in 1956.
• When replacing a furnace or air conditioner in a home built around 1956, ask for a load calculation (ACCA Manual J) instead of matching the old unit's size: insulation, windows and duct condition change over the decades, and a correctly sized system runs more efficiently.
• With both heating and cooling seasons in Whittier, a heat pump, which does both, can replace a separate furnace and air conditioner; compare its SEER2 and HSPF2 ratings.

Local data for HVAC contractors in Whittier · Licensing boards by state · Which jobs need a permit

Sources: state licensing boards, U.S. Census Bureau (ACS) and NOAA climate normals, as shown on the city page.

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