Furnace Repair in San Antonio

Select a Furnace Service
  • Quick, same-day service
  • 24/7 availability
  • Upfront pricing, so there's no sticker shock

⭐⭐⭐⭐⭐ - We're rated a 4.8 out of 5 on Google with over 800 satisfied customers. See why Shafer Services Plus has been San Antonio's preferred furnace repair experts for over 100 years!

Schedule repair

Signs you need this

  • Furnace won't turn on
  • Furnace turns off/on sporadically
  • Furnace is blowing cold air
  • Water is pooling around your furnace
  • Airflow from vents is weak
  • Furnace makes strange noises

What's included

  • Upfront pricing through an in-home diagnosis
  • A trained, friendly technician
  • Parts to fix the AC
  • 100% satisfaction guarantee
  • 90-day labor warranty


This is the cost to send a trained technician in a fully stocked truck to give you options about your repair.

  • Low: $130
  • Average: $500
  • High: $3,000

The price changes based on the part(s) we need to replace.


We repair ALL furnace brands including:

  • Goodman
  • Day & Night
  • Daiken
  • Bryant
  • Rheem
  • Ruud
  • American Standard
  • Trane