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Ruud Gas furnace Achiever Plus Series Ultra Low NOx 80% AFUE R801T Upflow/Horizontal Gas Furnace

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Technical Specifications

Product Specs

  • Model or series: Ruud Achiever Plus Series Ultra Low NOx 80% AFUE R801T Upflow/Horizontal Gas Furnace
  • Equipment type: Gas furnace
  • Product group: Residential HVAC
  • FIRST CERTIFIED, lowest emission furnace in the industry* Industry - First, Ultra
  • Low NOx Technology Environmentally friendly and responsible Eligible for the $500 SCAQMD CLEANair furnace rebate** Single Stage, Same 34" Cabinet Height, Simple Technology
  • Brand: Ruud
  • System role: Forced-air heating appliance for a ducted HVAC system
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: ruud.com

Service planning

How GreenFlow handles Ruud Achiever Plus Series Ultra Low NOx 80% AFUE R801T Upflow/Horizontal Gas Furnace requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Brands We Service

Our Happy Customers

Connie F.

I needed a thermostat installed. I called one day they were there the next day. Installed the thermostat and made sure it was working before they left. Came back the next day because no heat was coming out the vents and fixed that issue. No problems since. Thanks...

Baran O.

Fast response, punctual, resolved the issue quickly. Thank you

Howard H.

Great experience. Knowledgeable and very fair. Highly recommend

Paul R.

Was able to get them to come immediately to fix our heaters since it stopped working and it was very cold outside. I needed a second opinion in the accurately diagnosed and resolved the issue within 15 minutes and restored heat. He provided clear diagnosis that made way...

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Henry H.

Replace batteries in thermostat, checked furnace

Daniel M.

Responsive company, timely installation professionally done. Hannah is great!

Truc S.

I was frustrating about my heat system, they were very responsive and efficient. Andrey show up at my house after 30 mins from my call and on Sunday. He very acknowledge what is he doing. Thank you so much

Enrique B.

Tankless water heater failed . I contacted Green Flow and Aundrey was dispatched. He arrived on time diagnose the issue and called the manufacturer eventually they agreed to replace the unit. Within a few days a new unit was installed and hot water was restored. Service was fast...

Jack B.

Andrey always does a great job.

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Aniket G.

We used Andrey to replace the HVAC system. He was quick, efficient and knew what he was doing. I would surely recommend him.