heating & air conditioning services
Diamond Certified

Sales Service Installation

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(707) 645-0734Vallejo

(925) 609-8800Contra Costa

Serving Solano, Napa and Contra Costa Counties
CA License # 719381

Contact Us Today!






 
Better Business Bureau Honor Roll Member for 20 Years Running
BPI Certified
Energy Upgrade Participating Contractor
Trane Award for Superior Installation and Service
Voted Best Heating/Cooling Company for 10 years by Readers of The Vallejo Times Herald
Vallejo Schools V.I.P. Award for Partners in Education
Vallejo Little League for Support and Generosity
Bay Area Certified Green Business
Chambers of Commerce: State of California, City of Vallejo, and City of American Canyon
League of California Homeowners
Electric & Gas Industries Association
Air Conditioning Contractors of America
Napa-Solano Builders Exchange
Better Business Bureau
Safety Services Company
NATE Certified
EGIA Approved Contractor
Diamond Certified

A-1 Guaranteed Heating & Air Conditioning
1768 Broadway St. Vallejo, CA 94589


Richard Hiteshew
Energy Upgrade California
 

Air Conditioning & Furnace Tune Ups

A-1 Guaranteed is your #1 resource for air conditioner tune-ups and furnace tune-ups. Our comprehensive tune-ups handle every aspect of your air conditioning and furnace units, all for just $159.00. View tune-up details below and contact us today at (707) 645-0734 for more information.

air conditioner tune up

Air Conditioner Tune Up Includes:

  • Fire off Air Conditioner unit and (if applicable) furnace to verify operation.
  • Replace and/or clean filter.
  • Replace thermostat batteries and correct time/day.
  • Check amperage draws on compressor.
  • Check amperage draws on outdoor fan motor.
  • Record refrigerant pressures - high and low sides.
    • Record superheat of the refrigerant circuit to verify proper charge.
    • Record sub cool of the refrigerant circuit to verify proper charge.
  • Record indoor temperature difference.
  • Check contractor for excessive pitting, arching, or scorching.
  • Check capacitor(s) to confirm if they are in-range.
  • Check and tighten wiring connections in outdoor unit.
  • Clean service access panel in outdoor unit.
  • Lightly clean debris from in/around unit (significant accumulation requires full maintenance).
  • Reapply power to the unit to check in-rush amperage draw upon startup.
  • Rinse out condensing coil (chemical cleaning requires full maintenance).

Furnace Tune Up Includes:

  • Fire off furnace and (if applicable) Air Conditioner to verify operation.
  • Replace and/or clean filter.
  • Replace thermostat batteries and/or correct time/day.
  • Clear out pressure switch port.
  • Check amperage draws on Indoor Blower Motor.
  • Check amperage draws on Induced Draft Motor (if applicable).
  • Check capacitor(s) to confirm if they are in-range.
  • Measure resistance on hot surface igniter (if applicable).
  • Record indoor temperature difference.
  • Light cleaning on exterior & interior of unit (detailed cleaning required full maintenance).
  • Check and tighten all wiring connections on indoor unit.
  • Blow out and treat condensation lines (if accessible).
  • Verify no "burnt" marks on front or back of circuit board.