When choosing a propane furnace for your home, prioritize efficiency, suitability for your installation, and practical comfort for your space. The top picks below cover a range of sizes, efficiency levels, and installation configurations to fit upflow, horizontal, and some restricted settings. These options are best for homeowners seeking dependable warmth, lower energy costs, and clear maintenance considerations.
Summary table of selected products
| Product | Brand | BTU / AFUE | Best For | Notes |
|---|---|---|---|---|
| Goodman 80,000 BTU | Goodman Store | 80% / Single-stage | Mid-size homes, upflow/horizontal | Not for downflow; ECM multi-speed for better airflow |
| ACiQ 60,000 BTU | ACiQ Store | 80% AFUE | Smaller homes, upflow/horizontal | California/Colorado restrictions apply |
| ACiQ 100,000 BTU | ACiQ Store | 92% AFUE | Larger homes, upflow/horizontal | Complies with CA/CO Low NOx |
| ACiQ 60,000 BTU | ACiQ Store | 96% AFUE | Energy-conscious homes, upflow/horizontal | Complies with CA/CO Low NOx |
| Mr. Heater 80,000 BTU | Mr. Heater Store | — | Garage, shop, workspaces | Propane or natural gas; ceiling mounted |
Goodman 80,000 BTU Upflow/Horizontal Furnace
The Goodman GR9S800804BN is an 80,000 BTU furnace designed for upflow or horizontal installation. It features a multi-speed ECM motor to improve efficiency and airflow control, reducing runtime noise. This model is a practical choice for mid-sized homes with duct systems configured for upflow or horizontal layouts. It cannot be installed as a downflow unit, so buyers with basement or crawlspace layouts relying on downflow should consider GD9-series models instead.
Best for: Homes with upflow or horizontal ductwork seeking steadier airflow and reduced noise. Limitations: Not suitable for downflow applications; check local installation requirements and ensure proper venting for R32 refrigerant considerations.
ACiQ 60,000 BTU 80% Gas Furnace
This 60,000 BTU furnace delivers 80% AFUE with a single-stage operation and a 9-speed ECM blower. It’s well suited for smaller homes or spaces where a compact, efficient heating unit is desired. It is compatible with upflow or horizontal duct layouts. Note that this model does not meet California and Colorado Ultra-Low NOx standards, so compliance varies by location.
Best for: Smaller homes seeking dependable main heat without ultra-low NOx requirements. Limitation: Not compliant with Ultra-Low NOx regulations in some regions.
ACiQ 100,000 BTU 92% AFUE Furnace
This 100,000 BTU furnace offers 92% AFUE and a 9-speed ECM blower, delivering strong heating capacity with high efficiency. It is designed for upflow or horizontal installation and is suitable for larger homes or spaces with higher heat demands. It requires a plastic/PVC venting setup and complies with California and Colorado Low NOx regulations, though it does not meet Ultra-Low NOx standards in some contexts.
Best for: Larger homes needing robust heat output with good efficiency. Caution: Ensure venting materials and local NOx regulations align with installation requirements.
ACiQ 60,000 BTU 96% AFUE Propane Furnace
This 60,000 BTU unit delivers 96% AFUE with a single-stage operation and a 9-speed ECM blower. It is a premium option for energy-conscious homes seeking higher efficiency and lower operating costs. It uses plastic/PVC venting and meets California and Colorado Low NOx standards, though it is not Ultra-Low NOx compliant in all cases.
Best for: Energy-minded homes wanting high efficiency with reliable upflow/horizontal installation. Limitation: Not Ultra-Low NOx compliant in every jurisdiction.
Mr. Heater 80,000 BTU Unit Heater
The Mr. Heater 80,000 BTU forced-air unit heater is designed for spaces like garages, barns, and workshops. It provides ample heat to large, open areas and can run on propane or natural gas. It is ceiling mounted for efficient space use and can warm up to approximately 2,667 square feet depending on enclosure and insulation. This model is best for non-residential or auxiliary heating needs where ducted residential systems are not in play.
Best for: Unheated workspaces and garages needing rapid space heating. Caution: Not a primary home heating furnace; use within appropriate spaces and safety guidelines for fuel type and venting.
Buying Guide: Propane Furnaces For Homes
What furnace size should you choose?
Match BTU output to your home’s square footage, insulation, and climate. A unit that’s too small will struggle to maintain comfort, while an oversized unit may cycle excessively and waste energy. For typical single-family homes, 60,000–100,000 BTU models cover a broad range of needs, but exact sizing should come from a professional load calculation.
Which efficiency level matters most?
AFUE indicates heat efficiency. In general, higher AFUE reduces energy usage, but initial cost is higher. 80% class furnaces are common entry-level options, while 92% and 96% AFUE models offer noticeable fuel savings over time. Consider local energy prices, climate, and available venting materials when choosing.
What about installation and venting?
Many propane furnaces require specific venting, such as plastic or PVC for higher-efficiency units. Some models are certified for California and Colorado Low NOx, while others are not. Confirm local code compliance and ensure your ductwork and space allow the intended installation orientation (upflow, horizontal, or downflow).
What features improve comfort and maintenance?
Look for ECM blower motors for smoother, quieter operation and better airflow control. Multi-speed ECMs adapt to changing heating demands and can improve overall efficiency. Check for compatibility with existing duct layouts and consider filtration, air distribution, and noise levels in the decision.
Are there regional restrictions to consider?
Some models comply with state NOx regulations; others do not. If you live in California or Colorado, verify NOx compliance for the chosen model. Ultra-Low NOx compliance may be required in certain municipalities, which influences which unit will meet local codes.
How should you compare similar models?
When evaluating options, compare BTU capacity, AFUE, blower speed range, venting requirements, and installation flexibility. A higher efficiency unit with appropriate venting can lower annual energy costs, while a unit with the right size avoids overworking the system. Consider warranty and service availability from local installers as a practical factor, even though not specified here.
Quick comparison checklist
- Is the unit sized for your home’s square footage?
- Does it meet local NOx regulations?
- Is the installation orientation compatible with your ductwork?
- Does it use venting materials you can readily obtain?
- Are there noise and airflow considerations in your living spaces?
Estimated buying considerations
If you want a balance of cost and efficiency, a mid-range 60,000–80,000 BTU furnace with 80–92% AFUE is often a practical choice for many homes. For larger spaces or higher efficiency goals, 92–96% AFUE units provide meaningful energy savings, especially in colder climates. Always align your pick with installation feasibility and regional regulations.
Frequently Asked Questions
- What is AFUE? AFUE stands for annual fuel utilization efficiency and measures how effectively a furnace converts fuel into heat over a year. Higher AFUE means less fuel wasted.
- Can propane furnaces be used in downflow configurations? Some models are designed only for upflow or horizontal installation. Confirm the model’s installation orientation before purchase.
- Are there NOx regulations to consider? Yes. California and Colorado have Low NOx requirements; some furnaces comply while others do not. Check local codes.
- Is ECM better than a single-speed blower? Yes. ECM blowers provide variable speed and quieter operation, improving comfort and efficiency.
- What maintenance does a propane furnace require? Regular filter changes, annual professional inspections, and venting checks help ensure safe and efficient operation.
- Can I install a propane furnace myself? Installation should be performed by a licensed HVAC technician to ensure safety, venting compliance, and proper sizing.