When shopping for a 60 gallon gas water heater, the goal is reliable, on‑demand hot water for multi‑bath homes or busy households. This article highlights five strong tankless gas water heater options that can serve larger homes with multiple fixtures. Each pick is evaluated for who it’s best for, key benefits, and a practical caveat. The buyer’s guide below helps compare capacity, output, indoor vs outdoor installation, and energy efficiency.
Summary table of selected products:
| Product | Best For | Key Benefit | Limitations |
|---|---|---|---|
| Ranein Natural Gas Tankless Water Heater, 8.5 GPM | Large homes needing strong on‑demand flow | High 190,000 BTU input, compact footprint | Indoor use; fan and installation considerations |
| Rheem RTG Series 7.0 GPM Indoor | Mid‑size homes with 2–3 showers | Balanced efficiency and performance | 7.0 GPM may limit simultaneous points |
| Rheem RTG Series 8.4 GPM Outdoor | Outdoor spaces with multiple fixtures | Higher flow for 3–4 showers | Outdoor install; venting considerations |
| FOGATTI Tankless Water Heater Outdoor | Outdoor installations with many outlets | High flow up to 8.1 GPM, robust temp control | Outdoor unit; protection from elements |
| Westinghouse Outdoor Tankless 8.1 GPM | Outdoor homes needing reliable whole‑home hot water | Wide support for multiple fixtures | Outdoor use; ensure proper clearance and venting |
Ranein Natural Gas Tankless Water Heater, 8.5 GPM
The Ranein unit delivers up to 8.5 GPM with 190,000 BTU input, aimed at homes needing strong, on‑demand water throughout the house. Fans placed underneath improve safety by reducing smoke backflow and supporting full combustion with automatic speed adjustment to water temperature and external wind. It’s compact enough to fit in tighter spaces and uses standard 3/4″ NPT fittings for quick installation. Best for large households that want unlimited hot water on demand without a tank footprint, especially where indoor placement is preferred.
Caution: The unit’s safety features rely on proper venting and installation. Misalignment or inadequate ventilation can affect performance. Best for buyers who can accommodate indoor setup with achievable clearances.
Rheem RTG Series 7.0 GPM Indoor
Rheem’s RTG 7.0 GPM model is designed for whole‑home use with 160,000 BTU/h output. It supports 2–3 simultaneous showers and focuses on energy efficiency with a 0.82 UEF. This indoor unit is ideal for mid‑size homes or families that require consistent hot water across several fixtures, while preserving space with a wall‑mounted design.
Best for households that want a balance of flow and efficiency. Choose this if you typically run 2–3 fixtures at once and prefer indoor installation with a compact footprint.
Caution: If you routinely demand hot water at multiple outlets simultaneously, you may surpass its comfortable capacity during peak usage. Consider pairing with a second point‑of‑use heater if needed.
Rheem RTG Series 8.4 GPM Outdoor
This outdoor model increases the flow to 8.4 GPM and 180,000 BTU/h, supporting 3–4 showers simultaneously. It uses non‑condensing technology and is designed for outdoor installation with a direct vent, letting homeowners save indoor space while providing robust on‑demand hot water. It’s a good pick for large families with outdoor mounting options and easier venting arrangements.
Best for homes with exterior walls or greenlit outdoor installation. It’s better for climates where outdoor units perform reliably year‑round, given exposure to the elements.
Caution: Outdoor units require weather protection and periodic maintenance to prevent corrosion and ensure performance during cold conditions.
FOGATTI Tankless Water Heater Outdoor
FOGATTI offers an 180,000 BTU outdoor unit with up to 8.1 GPM flow. It features a four‑stage combustion system and precise temperature control within ±1°F, along with a bottom‑mounted fan to reduce backflow and promote safe, efficient operation. The remote control panel enables indoor operation, making it practical for exterior installations where venting is straightforward but indoor access is convenient.
Best for users who need consistent temperature control across multiple outlets in an outdoor setting. It’s well‑suited for homes in milder climates or where a dedicated outdoor installation is feasible.
Caution: The need for outdoor protection and weatherproofing means additional setup considerations and potential maintenance to protect against the elements.
Westinghouse Outdoor Tankless Water Heater
This outdoor unit delivers up to 8.1 GPM and 180,000 BTU for whole‑home hot water, with self‑modulating technology to maintain temperature within a tight range. It’s CSA certified and designed to handle multiple fixtures without a tank. The compact wall‑mounted design saves space, and outdoor installation suits homes with accessible exterior walls.
Best for homeowners seeking a straightforward outdoor installation with stable temperature control and multiple outlets. It’s a practical pick for families that frequently run several taps at once.
Buying Guide: Key Purchase Considerations
What should you consider when choosing a 60 gallon gas water heater? Here are practical questions and metrics to guide decisions.
- What is your household hot water demand? Estimate simultaneous usage and GPM needs to avoid undersizing. Look for models that support 3–4 fixtures at once if you have a large family.
- Indoor vs outdoor installation: Indoor units save space but require venting and safe clearance. Outdoor models simplify venting but demand weather protection.
- Efficiency and energy use: Higher UEF or similar efficiency ratings reduce gas consumption. Condensing models generally offer higher efficiency but may come at a higher upfront cost.
- Ventilation and clearance: Proper venting is essential for safe operation of gas tankless heaters. Ensure your installation plan complies with local codes.
- Maintenance and accessibility: Choose units with accessible service points and clear service instructions to minimize downtime.
- Future-proofing: If your family grows or you add fixtures, consider a unit with higher flow capacity or plan for a second unit to share load.
Frequently Asked Questions
- What is the difference between tankless and traditional tank heaters?
Tankless heaters heat water on demand with no storage tank, which reduces standby energy loss and can save space. - How many showers can a 8.1 GPM unit support?
Typically 2–4 showers depending on temperature rise and other hot water uses in the home. - Is outdoor installation safe for gas tankless heaters?
Yes, outdoor models are designed for exterior mounting but require weatherproof housing and proper venting or direct venting where needed. - What maintenance is required for gas tankless heaters?
Regular cleaning of mineral buildup, venting checks, and periodic professional inspection help maintain efficiency and safety. - Can these units supply hot water during cold weather?
Yes, but flow rates may drop slightly with a high temperature rise; selecting a unit with higher BTU input helps mitigate this. - Do tankless heaters need a big electrical upgrade?
Most rely on gas supply for heating; electrical needs are typically for control systems and ignition, not for heating itself.