Looking for an air conditioner heating element to add supplemental warmth or replace an aging strip? This guide highlights five reliable options, tailored for RVs and portable cooling/heating setups. Best for RV owners who want quick heat on chilly nights, or for homeowners seeking compact heating modules to pair with existing AC units. Below you’ll find clear comparisons, who each product is best for, and practical buying tips to help you choose confidently.
Summary of selected products:
- Hihitomorrow 9233A4551 Heat Strip Kit (Coleman Mach Heat Ready Ceiling Assemblies) – Best for Coleman Mach 48xxx/45xxx systems
- Sorello 3314998.000 RV Non-Ducted Heat Strip Kit – Best for Brisk Air II and Penguin II non-ducted models
- LiebeWH Ceramic Air Heater 500W – Best for energy-efficient, compact heating with automatic control
- GE Appliances WP27X22080 Room AC Heater Assembly – Best for standalone room air conditioners
- mooncar 9233-4551 Heating Element Kit – Best value replacement kit for Coleman Mach setups
Hihitomorrow 9233-4551 Electric Heating Element Kit
The 9233A4551 heat strip assembly replaces the OEM and adds 5,600 BTU heating output to Coleman Mach Heat Ready Ceiling Assemblies (Except Mach 8). Best for Coleman MACH 48xxx (Medium Profile) and 45xxx (Low Profile) series air conditioners and heat pumps. Includes a heat/cool thermostat and a two-pin heater wire receptacle for easier installation. This kit is a “chill chaser” rather than a furnace substitute.
Who it’s best for: RV owners with Coleman Mach Heat Ready systems seeking a mid-season heat boost without upgrading the entire unit. Suitable for crews who want a straightforward replacement that preserves existing controls. Potential caveat: designed specifically for certain Coleman Mach models; verify compatibility with your unit before purchase.
Sorello 3314998.000 RV Non Ducted Heat Strip Kit
This kit is compatible with Brisk Air II and Penguin II non-ducted models (120V) and replaces part 3314998.000. It delivers even heat by working with the air conditioner’s fan, helping to quickly raise interior temperature and prevent cold spots. The heating element is made from high-quality metals designed for durability and stable output over time.
Who it’s best for: RV owners with non-ducted Brisk Air II or Penguin II units who want reliable, even heating without duct work. Better for models listed above; avoid if you have a ducted system or a different model family not listed in compatibility notes.
LiebeWH Ceramic Air Heater 500W
This 500W ceramic heater features automatic energy-saving and constant temperature control for efficient operation. The ceramic heating element combined with an aluminum tube provides high heat transfer efficiency, supporting quick warmth distribution in small spaces or as a supplemental heater for AC units. A compact option that integrates well with existing electrical setups.
Who it’s best for: Homeowners or RV users needing a compact, auto-regulating heater with energy efficiency. Choose this if you want automatic temperature control and reliable heat without frequent adjustments. Limitation: designed as a general heater element, not a dedicated HVAC heat strip replacement for a specific AC model.
GE Appliances WP27X22080 Room AC Heater Assembly
This heater assembly (WP27X22080) is designed for room air conditioners, converting electrical energy into heat to raise a room’s temperature. It’s suitable when upgrading or replacing a failing heater inside a window or portable AC unit. Replacement steps include unplugging the AC before installation for safety.
Who it’s best for: Homeowners with compatible window or portable AC units needing a direct heater replacement integrated with existing equipment. Better for standard room cooling/heating setups; avoid if you require an RV-specific heat strip or non-standard models.
Mooncar 9233-4551 Electric Heating Element Kit
Mooncar’s kit is designed as a compatible replacement for Coleman Mach Heat Ready Ceiling Assemblies (Except Mach 8), matching the 9233-4551 part number. It provides 5,600 BTU of heating output and includes a thermostat and two-pin heater wire receptacle for installation. The kit is described as a practical option for Coleman Mach 48xxx/45xxx series equipment.
Who it’s best for: Budget-conscious buyers with Coleman Mach systems seeking a direct replacement kit for the 9233-4551 part. Better for familiar Coleman setups; avoid if your unit is not in the compatible family or you require a different BTU output.
Buying Guide: Key Considerations For Air Conditioner Heating Elements
- Compatibility: Always confirm part numbers and model families (for example Coleman Mach Heat Ready ceilings vs. Mach 8). Mismatches can prevent installation or reduce efficiency.
- BTU Output: Match heating capacity to space size. Typical kits provide around 5,600 BTU; bigger spaces may require additional heating support.
- Control Integration: Some kits include a thermostat or work with existing controls. Consider whether you need automatic switching between heating and cooling or manual control.
- Durability and Materials: Look for high-quality metal or ceramic elements designed for repeated cycling and outdoor exposure if used in RV environments.
- Easy Installation: Kits with plug-and-play thermostats and standard wiring simplify setup. Verify required tools and electrical compatibility.
- Safety: Ensure proper unplugging procedures during installation and avoid placing heating elements near flammable materials.
- Avoiding Overheating: In small spaces, ensure the heater does not overheat the area; consider unit balance with the AC’s cooling capacity.
Practical Comparison At A Glance
- Best for Coleman Mach systems: Hihitomorrow 9233A4551 and Mooncar 9233-4551 kit.
- Best for non-ducted RV heat, Brisk Air II or Penguin II: Sorello 3314998.000.
- Best all-around ceramic heater with auto-control: LiebeWH 500W Ceramic Heater.
- Best for window/room AC heater replacement: GE WP27X22080.
Frequently Asked Questions
- What is the typical BTU output for these heating elements?
Most common kits offer around 5,600 BTU, sufficient for small to medium spaces when used with appropriate cooling equipment. - Can I install a heating element in any RV air conditioner?
Not always. Compatibility with model type and ceiling assemblies is essential; consult the part numbers and model documentation before purchasing. - Do these kits replace a furnace?
No. They provide supplemental heat and should not be considered furnace substitutes in heating-dominated climates. - Is professional installation required?
Many kits are designed for DIY installation with the right electrical access, but if wiring or mounting is uncertain, seek professional help. - What safety considerations should I follow?
Unplug units during installation, keep heating elements away from flammable materials, and ensure proper ventilation in confined spaces. - Will these fit non-RV air conditioners?
Some kits are designed for RV units or specific models; verify compatibility with your device’s serial/part numbers to avoid mismatches.
