D & R Hvac

Before you hire D & R Hvac

In California, HVAC contractors are licensed through the California Contractors State License Board (CSLB). Ask D & R Hvac 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 Los Angeles, CA was built in 1965.
• When replacing a furnace or air conditioner in a home built around 1965, 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 Sylmar, 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 Sylmar · 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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