Imagine this: it’s a scorching summer day, and your home feels like an oven. Then, winter hits, and suddenly you’re shivering indoors. Switching between powerful heating and cooling systems can feel like a constant battle, often requiring two separate units taking up valuable space and costing you money.
This is where the Gas Furnace Air Conditioner Combo steps in—a single, efficient solution designed to handle all your home comfort needs year-round. But choosing the right combo unit can feel overwhelming. You worry about efficiency ratings, installation costs, and whether one unit can truly handle extreme temperatures. Many homeowners struggle to find the perfect balance between performance and budget.
This guide cuts through the confusion. We will break down exactly what these combo systems are, how they save you space and energy, and the key features you must look for before buying. By the end, you will feel confident knowing exactly which Gas Furnace Air Conditioner Combo fits your home perfectly.
Top Gas Furnace Air Conditioner Combo Recommendations
- CERTIFIED ACiQ SELLERS: Everything you need for reliable HVAC solutions!
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 96% AFUE high-efficiency gas furnace converts nearly all fuel into usable heat, helping reduce energy waste and heating costs. Advanced condensing design uses PVC venting for efficient, modern operation.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 80% AFUE gas furnace delivers consistent heating, meaning most of the fuel is used to warm your home. Durable metal flue venting supports reliable, long-term performance.
- DURABLE RELIABILITY: Built for long-lasting performance, this condenser features a durable copper-aluminum coil designed to resist wear and corrosion.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
- CERTIFIED ACiQ SELLERS: Everything you need for reliable HVAC solutions!
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 96% AFUE high-efficiency gas furnace converts nearly all fuel into usable heat, helping reduce energy waste and heating costs. Advanced condensing design uses PVC venting for efficient, modern operation.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
- This bundle consists of the Goodman 2 Ton 13 SEER Air Conditioner, Goodman 96% AFUE 80,000 BTU Furnace, and Goodman Coil.
- Due to Federal Guidelines and Restrictions this item cannot be sold in the following states: California, Nevada, New Mexico, Arizona, Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Tennessee, Kentucky, Virginia, Maryland, Delaware, Alabama, Georgia, South Carolina, North Carolina, and Florida
- This comes with a 10-year parts limited warranty provided it is installed by a qualified installer and registered online
- Accessories such as thermostats, conversion kits, outdoor sensors, etc Sold Separately
- COOLING WITH HEATING: This AC packaged unit with auxiliary heat provides efficient cooling and reliable heating in a single system, ideal for residential or commercial applications.
- PURE COOLING: Designed for reliable, energy-efficient performance, this AC packaged unit delivers consistent cooling for homes and businesses alike.
- INSTALLATION KIT: The unit includes a Programmable 3 Heat / 2 Cool Thermostat, a 3/4" X 4' 8 Gauge Electrical Whip, a non-fuse 60A Disconnect Switch, a 2 Square to Round Adapters (16" & 18"), and a Backup Heat Kit of your choice.
- DURABLE BUILD: Heavy-gauge steel cabinet with powder-coat finish, insulated blower compartment, and louvered coil guard for long-lasting performance.
- WARRANTY TERMS: Backed by a 10-year parts limited warranty when installed by a tech and registered online with the manufacturer at no additional charge.
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 96% AFUE high-efficiency gas furnace converts nearly all fuel into usable heat, helping reduce energy waste and heating costs. Advanced condensing design uses PVC venting for efficient, modern operation.
- DURABLE RELIABILITY: Built for long-lasting performance, this condenser features a durable copper-aluminum coil designed to resist wear and corrosion.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 96% AFUE high-efficiency gas furnace converts nearly all fuel into usable heat, helping reduce energy waste and heating costs. Advanced condensing design uses PVC venting for efficient, modern operation.
- DURABLE RELIABILITY: Built for long-lasting performance, this condenser features a durable copper-aluminum coil designed to resist wear and corrosion.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
- CENTRAL UPGRADE: Complete split system combining a central air conditioner, matched evaporator coil, and gas furnace for reliable heating and cooling.
- FURNACE EFFICIENCY: 96% AFUE high-efficiency gas furnace converts nearly all fuel into usable heat, helping reduce energy waste and heating costs. Advanced condensing design uses PVC venting for efficient, modern operation.
- DURABLE RELIABILITY: Built for long-lasting performance, this condenser features a durable copper-aluminum coil designed to resist wear and corrosion.
- REGULATION REMINDER: This furnace DOES NOT comply with California and Colorado Low NOx and Ultra-Low NOx regulations.
- WARRANTY TERMS: Backed by an industry leading 10-year warranty when the system is registered online at no extra charge.
Your Complete Guide to Buying a Gas Furnace Air Conditioner Combo System
A gas furnace and air conditioner combo system is a smart choice for many homes. It heats your house in the winter and cools it in the summer, all with one main setup. This guide will help you pick the best one for your needs.
Key Features to Look For
When shopping, look closely at these important parts. They make a big difference in how well your system works and how much money you save.
Energy Efficiency Ratings
- AFUE (Annual Fuel Utilization Efficiency): This tells you how well the furnace part converts fuel into heat. Higher numbers (like 90% or more) mean less wasted energy and lower gas bills.
- SEER (Seasonal Energy Efficiency Ratio): This rating applies to the air conditioner part. A higher SEER rating means better cooling for less electricity. Look for 14 SEER or higher for good savings.
System Capacity and Sizing
The system must be the right size for your home. Too small, and it runs constantly. Too big, and it cycles on and off too quickly, which wastes energy and doesn’t dehumidify well.
- Have a professional perform a “Manual J” calculation. This measures your home’s specific heating and cooling needs.
Comfort Features
- Variable Speed Blower: This fan can run at different speeds. It moves air more evenly, keeping temperatures steady and reducing noise.
- Two-Stage or Modulating Heating: Instead of just being “on” or “off,” these furnaces can run at lower power levels when you only need a little heat. This saves energy and improves comfort.
Important Materials and Build Quality
The materials used affect how long your combo unit lasts. Good construction means fewer repairs down the road.
Heat Exchanger
This is the heart of the furnace. It separates the burning gas from the air that blows into your home.
- Stainless Steel: Most modern, high-efficiency furnaces use stainless steel. It resists rust and handles high temperatures well. Low-efficiency models sometimes use less durable metal.
Cabinet and Components
The outer shell protects the inner parts. Look for thick, coated metal cabinets that resist rust, especially if your unit sits outside or in a damp basement.
Factors That Improve or Reduce Quality
Certain design choices make a unit better or worse over time.
Factors That Improve Quality (Better Performance)
- Electronic Controls: Modern circuit boards manage the system more precisely than older mechanical switches. This leads to smoother operation.
- Good Warranty: A long warranty (especially 10 years on parts) shows the manufacturer trusts their product quality.
Factors That Reduce Quality (Potential Problems)
- Single-Stage Operation: These older designs are less efficient because they are either running at full blast or completely off.
- Cheap Components: If a manufacturer uses lower-quality fans or sensors, these parts often break sooner, leading to expensive repairs.
User Experience and Use Cases
Think about how you live in your home. This affects the best choice for you.
Quiet Operation
If your furnace/AC unit is near a bedroom or living area, noise matters. Variable speed systems and well-insulated cabinets offer much quieter performance than older, noisy models.
Climate Suitability
- Cold Climates: Prioritize a furnace with a high AFUE rating (95% or higher) because you will use the heating part most often.
- Hot and Humid Climates: Focus on a high SEER rating. Good AC performance means lower electricity bills during the summer, and the variable speed blower helps remove extra moisture from the air, making the home feel cooler.
10 Frequently Asked Questions (FAQ)
Q: What is the main advantage of a combo unit?
A: The main advantage is convenience and potentially lower installation costs. You deal with one main system for both heating and cooling.
Q: How long does a gas furnace AC combo system usually last?
A: With regular maintenance, these systems generally last between 15 to 20 years. The AC coil sometimes needs replacement sooner than the furnace.
Q: Do I need two separate thermostats for a combo unit?
A: No. Most modern combo systems use a single, smart thermostat that controls both the heating (gas furnace) and the cooling (AC) functions.
Q: What does “modulating” mean for a furnace?
A: Modulating means the furnace can adjust its heat output in very small steps, sometimes from 40% up to 100% power. This keeps the temperature very steady.
Q: Is a high AFUE rating always better?
A: A high AFUE is great for saving fuel, but it often means the unit costs more upfront. You must calculate if the fuel savings will cover the extra cost over the system’s lifespan.
Q: Can I use my old AC unit with a new high-efficiency furnace?
A: Sometimes, but it is not recommended. Efficiency ratings must match up. Mixing old and new parts often limits the performance and voids some warranties.
Q: What is the biggest difference between two-stage and single-stage systems?
A: Single-stage units run at 100% power always. Two-stage units can run at a lower, more efficient setting (like 60%) most of the time, saving energy.
Q: How often should I service this type of system?
A: You should have a professional service both the furnace and the air conditioner once a year. Usually, service the furnace in the fall and the AC in the spring.
Q: What is the role of the blower fan in the combo system?
A: The blower fan moves the heated air from the furnace or the cooled air from the AC coil through your ductwork to all the rooms in your house.
Q: Does the gas furnace part need a lot of maintenance?
A: Yes. You must replace the air filter regularly to keep the furnace clean. The gas burners also need annual inspection to ensure safe and efficient burning.