Christianson Air Conditioning & Plumbing

Before you hire Christianson Air Conditioning & Plumbing

In Texas, HVAC contractors are licensed through the Texas Department of Licensing and Regulation (TDLR), Air Conditioning and Refrigeration Contractors. Ask Christianson Air Conditioning & Plumbing 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 Round Rock was built in 2002.
• When replacing a furnace or air conditioner in a home built around 2002, 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.
• Round Rock is cooling-dominated, so when you replace a system, air-conditioning efficiency (the SEER2 rating) matters more than heating efficiency.

Local data for HVAC contractors in Round Rock · 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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