Best Back Plates for Thermostats: Improve Wall Look and Fit
The best back plates for thermostats help cover wall flaws, align with different models, and provide a clean finish. This guide highlights five compatible options, suitable for homeowners upgrading appearance or replacing damaged plates. Ideal buyers include DIY renovators, renters aiming for quick cosmetic updates, and homeowners seeking easy wall repair. Below is a quick summary table of the featured products to compare compatibility and purpose.
| Product | Brand | Best For | |
|---|---|---|---|
| Thermostat Wall Plate Replacement | Alocs | Honeywell covers and similar footprints | RTH9585WF, RTH8560D, TH9320WF5003, etc. |
| T119 Wall Plate Cover | Rasaech | PRO1 IAQ and similar thermostats | PRO1 IAQ family |
| Nest Thermostat Wall Plate | Petrichor | Nest Thermostat 2020 | Nest Thermostat 2020/2020+ varieties |
| T119 Wall Plate 4 Pack | GEAIN | Universal white plates | PRO1 IAQ and some Honeywell models |
| THP2400A1027W Back Plate | ARYEIELLSOW | Honeywell style back plates | RTH9585WF1004, TH9320WF5003, RTH9580WF, RTH6570E, etc. |
Thermostat Wall Plate Replacement for Honeywell – Back Plate

Best for Honeywell users needing a seamless cover for models like RTH9585WF, RTH8560D, or TH9320wf5003. The back plate is built from ABS with a glossy, corrosion-resistant finish and can mount to a wall or a 2in x 4in electrical box. It hides wall imperfections and creates a clean, uniform look around the thermostat. Caution: verify compatibility with your exact model before ordering to avoid fit issues.
Thermostats Wall Plate Cover T119 for PRO1 IAQ

Better for PRO1 IAQ thermostats, offering a durable plastic plate that resists scratches and is easy to clean. This plate is designed for simple wall installation with standard mounting screws. It provides a neat finish by concealing wall irregularities and aligning with the thermostat’s footprint. Choose this if your focus is a straightforward upgrade without professional help; note it is sized for PRO1 IAQ compatibility and similar models.
Petrichor Nest Thermostat Wall Plate

Best for Nest Thermostat (2020) installations, offering a large plate that covers old wall holes and blends with wall color. The finish is designed to appear modern and fingerprint-resistant, helping maintain a clean look around the thermostat. Best for homes upgrading to Nest 2020 hardware; avoid if your model differs significantly from the Nest 2020 lineup.
GEAIN T119 Universal Wall Plate (4 Pack)

Best for a universal white plate need, with a minimalist design that covers installation holes from numerous thermostat models. Dimensions are suited for a clean wall surface and easy coordination with various back plates; use this if you want multiple plates for different rooms or model flexibility. Limitation: ensure the plate’s footprint matches your thermostat’s mounting pattern to avoid gaps around the cover.
THP2400A1027W Thermostat Back Plate

Chosen for compatibility with several Honeywell models such as RTH9585WF1004, TH9320WF5003, and RTH6570E. The back plate offers a glossy finish and corrosion resistance, designed to cover wall imperfections and present a neater thermostat area. Best for replacing a damaged or unsightly wall plate; limitation: verify your exact model matches the supported list before purchasing.
Buying Guide: Key Purchase Considerations
- Compatibility: Confirm your thermostat model and footprint before selecting a back plate. Some plates fit Honeywell or PRO1 IAQ systems, while others target Nest or universal applications.
- Mounting Configurations: Some back plates mount to standard 2×4 electrical boxes; others are wall-mounted directly. Check your wall type and box availability.
- Material and Finish: ABS plastic is common for durability and easy cleaning; glossy finishes can help blend with existing hardware or wall surfaces.
- Wall Repair potential: If your goal is hole coverage, choose a larger plate designed to cover irregularities around the old thermostat.
- Installation Effort: Look for plates that install with minimal tools and screw alignment; straightforward guides reduce DIY time.
FAQ
- Q: Will these back plates fit all thermostat models? A: Not universally. Check the exact model compatibility and footprint listed in each product description.
- Q: Do back plates require professional installation? A: Most back plates are DIY-friendly, using existing screws and wall anchors if needed.
- Q: Do these plates affect thermostat functionality? A: No, they only cover the wall area and support mounting; they do not alter thermostat operation.
- Q: Can back plates conceal wall damage besides holes? A: Yes, several designs are intended to cover minor wall imperfections for a cleaner look.
- Q: Are universal plates more versatile than model-specific ones? A: They can be, but verify fit with your exact thermostat footprint to avoid gaps.