Goodman - 80,000 BTU 80% Variable Speed Gas Furnace - 24.5" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GRVT800805DN

Goodman - 80,000 BTU 80% Variable Speed Gas Furnace - 24.5" Width - Upflow / Horizontal - Two Stage - 115V - R32 - GRVT800805DN

The GRVT800805DN gas furnace is from one of the top-of-the-line series by Goodman. Considered one of the best of the best, this furnace has a two stage burner and a variable speed blower motor. With the best durability and reliability that Goodman 80% efficient furnaces have to offer, we are proud to offer you the Goodman GRVT800805DN gas furnace.

Features

• This furnace is ideal to heat a small to medium house (in average climate conditions)
• 80,000 BTU 80% AFUE two stage variable speed natural gas furnace
• Requires metal flue venting
• Can be used in the upflow or horizontal orientation
• Can be converted to propane with an LP conversion kit (sold separately)
• Innovative design for electrical efficiency, safety, and lower sound output
  

Specifications

Manual

• Installation Manual
• Specifications Sheet
  

What our Experts Think

• Reliable everyday heating: With 80,000 BTU and ~80% AFUE, this furnace delivers consistent, cost‑effective warmth for most small‑to‑mid sized homes.

• Two‑stage comfort boost: The two‑stage gas valve spends more time in low stage, which means quieter operation, smoother temperatures, and fewer cold/hot swings than single‑stage models.

• Variable‑speed blower perks: The variable‑speed blower motor enhances airflow control, quieter running, improved dehumidification, and better overall comfort.

• Flexible installation: Designed for upflow or horizontal installation, giving contractors more placement options in attics, closets, crawlspaces, or basements.

• Spacious footprint for ease: At 24.5″ width, this unit offers a roomier internal layout that can simplify service and airflow components.

• Modern refrigerant ecosystem: Compatible with R‑32 systems, aligning with current HVAC refrigerant standards.

Q&A

Q: What is the heating capacity and efficiency of the GRVT800805DN?
A: This furnace delivers 80,000 BTU input with ~64,000 BTU usable heat at 80% AFUE, offering efficient, reliable heating for small–medium homes.

Q: What blower and performance features does it include?
A: It uses a variable‑speed ECM blower motor for quieter operation, improved airflow control, and enhanced comfort compared with standard furnaces.

Q: Is this a two‑stage gas furnace?
A: Yes — the two‑stage gas valve allows lower output during mild weather and full power in cold conditions, boosting comfort and reducing temperature swings.

Q: What installation orientations are supported?
A: This model supports upflow and horizontal installation, giving versatility for attics, crawl spaces, closets, or tight utility areas.

Q: What electrical and fuel requirements does it have?
A: It runs on 115 V single‑phase power and is designed for natural gas, with LP conversion available (kit required).

Q: Is it compatible with modern refrigerant standards?
A: Yes — this furnace is R32‑ready, aligning with newer HVAC refrigerant regulations.

Q: What are the physical dimensions?
A: The unit’s 24.5‑inch width makes it suitable for standard residential HVAC spaces where larger cabinet size is acceptable.

Maintenance Tips